diff --git a/hapi-deployable-pom/pom.xml b/hapi-deployable-pom/pom.xml
index 12f3c9441e0..4affc27d75d 100644
--- a/hapi-deployable-pom/pom.xml
+++ b/hapi-deployable-pom/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-fhir</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-android/pom.xml b/hapi-fhir-android/pom.xml
index 54ba7c0fe9d..0c9490e8fa9 100644
--- a/hapi-fhir-android/pom.xml
+++ b/hapi-fhir-android/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-base/pom.xml b/hapi-fhir-base/pom.xml
index eb5146c516d..7e7c7779ce8 100644
--- a/hapi-fhir-base/pom.xml
+++ b/hapi-fhir-base/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-bom/pom.xml b/hapi-fhir-bom/pom.xml
index c0c99b1862a..2bc9a198065 100644
--- a/hapi-fhir-bom/pom.xml
+++ b/hapi-fhir-bom/pom.xml
@@ -3,14 +3,14 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>ca.uhn.hapi.fhir</groupId>
     <artifactId>hapi-fhir-bom</artifactId>
-    <version>5.0.0</version>
+    <version>5.1.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 	 <name>HAPI FHIR BOM</name>
 
     <parent>
       <groupId>ca.uhn.hapi.fhir</groupId>
       <artifactId>hapi-deployable-pom</artifactId>
-      <version>5.0.0</version>
+      <version>5.1.0-SNAPSHOT</version>
       <relativePath>../hapi-deployable-pom/pom.xml</relativePath>
    </parent>
     
diff --git a/hapi-fhir-cli/hapi-fhir-cli-api/pom.xml b/hapi-fhir-cli/hapi-fhir-cli-api/pom.xml
index fdfe721e7dc..ddd8a7cb709 100644
--- a/hapi-fhir-cli/hapi-fhir-cli-api/pom.xml
+++ b/hapi-fhir-cli/hapi-fhir-cli-api/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-cli/hapi-fhir-cli-app/pom.xml b/hapi-fhir-cli/hapi-fhir-cli-app/pom.xml
index 7f7832dd9aa..3b8220a067b 100644
--- a/hapi-fhir-cli/hapi-fhir-cli-app/pom.xml
+++ b/hapi-fhir-cli/hapi-fhir-cli-app/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-fhir-cli</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-cli/hapi-fhir-cli-jpaserver/pom.xml b/hapi-fhir-cli/hapi-fhir-cli-jpaserver/pom.xml
index 73951872d43..d45dbf698df 100644
--- a/hapi-fhir-cli/hapi-fhir-cli-jpaserver/pom.xml
+++ b/hapi-fhir-cli/hapi-fhir-cli-jpaserver/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../../hapi-deployable-pom</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-cli/pom.xml b/hapi-fhir-cli/pom.xml
index c60823c91a9..32bb08fbd6a 100644
--- a/hapi-fhir-cli/pom.xml
+++ b/hapi-fhir-cli/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-fhir</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-client-okhttp/pom.xml b/hapi-fhir-client-okhttp/pom.xml
index bd1f4df66db..888527bfe95 100644
--- a/hapi-fhir-client-okhttp/pom.xml
+++ b/hapi-fhir-client-okhttp/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-client/pom.xml b/hapi-fhir-client/pom.xml
index 9625d61c499..af66c3e54e3 100644
--- a/hapi-fhir-client/pom.xml
+++ b/hapi-fhir-client/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-converter/pom.xml b/hapi-fhir-converter/pom.xml
index bd0463fd1b9..30b0e985eec 100644
--- a/hapi-fhir-converter/pom.xml
+++ b/hapi-fhir-converter/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-dist/pom.xml b/hapi-fhir-dist/pom.xml
index 7d082ce8054..6d75c54b1cb 100644
--- a/hapi-fhir-dist/pom.xml
+++ b/hapi-fhir-dist/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-fhir</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-docs/pom.xml b/hapi-fhir-docs/pom.xml
index 75b0c475aa7..b68ee82abb6 100644
--- a/hapi-fhir-docs/pom.xml
+++ b/hapi-fhir-docs/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
@@ -73,13 +73,13 @@
 		<dependency>
 			<groupId>ca.uhn.hapi.fhir</groupId>
 			<artifactId>hapi-fhir-structures-dstu2</artifactId>
-			<version>5.0.0</version>
+			<version>5.1.0-SNAPSHOT</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>ca.uhn.hapi.fhir</groupId>
 			<artifactId>hapi-fhir-jpaserver-subscription</artifactId>
-			<version>5.0.0</version>
+			<version>5.1.0-SNAPSHOT</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
@@ -96,7 +96,7 @@
 		<dependency>
 			<groupId>ca.uhn.hapi.fhir</groupId>
 			<artifactId>hapi-fhir-testpage-overlay</artifactId>
-			<version>5.0.0</version>
+			<version>5.1.0-SNAPSHOT</version>
 			<classifier>classes</classifier>
 		</dependency>
 		<dependency>
diff --git a/hapi-fhir-igpacks/pom.xml b/hapi-fhir-igpacks/pom.xml
index 59a424716d7..d9e352d6413 100644
--- a/hapi-fhir-igpacks/pom.xml
+++ b/hapi-fhir-igpacks/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<artifactId>hapi-deployable-pom</artifactId>
 		<groupId>ca.uhn.hapi.fhir</groupId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
diff --git a/hapi-fhir-jacoco/pom.xml b/hapi-fhir-jacoco/pom.xml
index 37c09e27fb8..22f91a814b8 100644
--- a/hapi-fhir-jacoco/pom.xml
+++ b/hapi-fhir-jacoco/pom.xml
@@ -11,7 +11,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-jaxrsserver-base/pom.xml b/hapi-fhir-jaxrsserver-base/pom.xml
index 68812e535a6..dcb55ac919b 100644
--- a/hapi-fhir-jaxrsserver-base/pom.xml
+++ b/hapi-fhir-jaxrsserver-base/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-jaxrsserver-example/pom.xml b/hapi-fhir-jaxrsserver-example/pom.xml
index 1390b17d9f8..a751d170992 100644
--- a/hapi-fhir-jaxrsserver-example/pom.xml
+++ b/hapi-fhir-jaxrsserver-example/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-fhir</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-jpaserver-api/pom.xml b/hapi-fhir-jpaserver-api/pom.xml
index fcfca70793d..e1e5748d398 100644
--- a/hapi-fhir-jpaserver-api/pom.xml
+++ b/hapi-fhir-jpaserver-api/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-jpaserver-base/pom.xml b/hapi-fhir-jpaserver-base/pom.xml
index b9b8ad2c5f8..29555e96b03 100644
--- a/hapi-fhir-jpaserver-base/pom.xml
+++ b/hapi-fhir-jpaserver-base/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-jpaserver-migrate/pom.xml b/hapi-fhir-jpaserver-migrate/pom.xml
index 929de914156..705ba93a75f 100644
--- a/hapi-fhir-jpaserver-migrate/pom.xml
+++ b/hapi-fhir-jpaserver-migrate/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-jpaserver-model/pom.xml b/hapi-fhir-jpaserver-model/pom.xml
index 2f97a87ef68..77eed9b3664 100644
--- a/hapi-fhir-jpaserver-model/pom.xml
+++ b/hapi-fhir-jpaserver-model/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-jpaserver-searchparam/pom.xml b/hapi-fhir-jpaserver-searchparam/pom.xml
index cf50d4dbd20..aca48a8eda0 100755
--- a/hapi-fhir-jpaserver-searchparam/pom.xml
+++ b/hapi-fhir-jpaserver-searchparam/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-jpaserver-subscription/pom.xml b/hapi-fhir-jpaserver-subscription/pom.xml
index 5783cfdd538..49cdbd5a904 100644
--- a/hapi-fhir-jpaserver-subscription/pom.xml
+++ b/hapi-fhir-jpaserver-subscription/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-jpaserver-uhnfhirtest/pom.xml b/hapi-fhir-jpaserver-uhnfhirtest/pom.xml
index 07056bbe17d..56bcb286782 100644
--- a/hapi-fhir-jpaserver-uhnfhirtest/pom.xml
+++ b/hapi-fhir-jpaserver-uhnfhirtest/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-fhir</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
@@ -157,7 +157,7 @@
 		<dependency>
 			<groupId>ca.uhn.hapi.fhir</groupId>
 			<artifactId>hapi-fhir-converter</artifactId>
-			<version>5.0.0</version>
+			<version>5.1.0-SNAPSHOT</version>
 		</dependency>
 
 	</dependencies>
diff --git a/hapi-fhir-server/pom.xml b/hapi-fhir-server/pom.xml
index 63ea514ada7..581d9ab01fe 100644
--- a/hapi-fhir-server/pom.xml
+++ b/hapi-fhir-server/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-spring-boot/hapi-fhir-spring-boot-autoconfigure/pom.xml b/hapi-fhir-spring-boot/hapi-fhir-spring-boot-autoconfigure/pom.xml
index 488390753b4..20b28d9f538 100644
--- a/hapi-fhir-spring-boot/hapi-fhir-spring-boot-autoconfigure/pom.xml
+++ b/hapi-fhir-spring-boot/hapi-fhir-spring-boot-autoconfigure/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/hapi-fhir-spring-boot-sample-client-apache/pom.xml b/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/hapi-fhir-spring-boot-sample-client-apache/pom.xml
index 4efe37fba58..2aa29a39cf4 100644
--- a/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/hapi-fhir-spring-boot-sample-client-apache/pom.xml
+++ b/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/hapi-fhir-spring-boot-sample-client-apache/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-fhir-spring-boot-samples</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hapi-fhir-spring-boot-sample-client-apache</artifactId>
diff --git a/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/hapi-fhir-spring-boot-sample-client-okhttp/pom.xml b/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/hapi-fhir-spring-boot-sample-client-okhttp/pom.xml
index acf326083fc..172179d3278 100644
--- a/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/hapi-fhir-spring-boot-sample-client-okhttp/pom.xml
+++ b/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/hapi-fhir-spring-boot-sample-client-okhttp/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-fhir-spring-boot-samples</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hapi-fhir-spring-boot-sample-client-okhttp</artifactId>
diff --git a/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/hapi-fhir-spring-boot-sample-server-jersey/pom.xml b/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/hapi-fhir-spring-boot-sample-server-jersey/pom.xml
index d0c3319ac04..f82983eca27 100644
--- a/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/hapi-fhir-spring-boot-sample-server-jersey/pom.xml
+++ b/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/hapi-fhir-spring-boot-sample-server-jersey/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-fhir-spring-boot-samples</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hapi-fhir-spring-boot-sample-server-jersey</artifactId>
diff --git a/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/hapi-fhir-spring-boot-sample-server-jpa/pom.xml b/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/hapi-fhir-spring-boot-sample-server-jpa/pom.xml
index acc7c3309cc..1e775b24432 100644
--- a/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/hapi-fhir-spring-boot-sample-server-jpa/pom.xml
+++ b/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/hapi-fhir-spring-boot-sample-server-jpa/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-fhir-spring-boot-samples</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hapi-fhir-spring-boot-sample-server-jpa</artifactId>
diff --git a/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/pom.xml b/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/pom.xml
index 6839376e8b4..313bbc066b5 100644
--- a/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/pom.xml
+++ b/hapi-fhir-spring-boot/hapi-fhir-spring-boot-samples/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-fhir-spring-boot</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hapi-fhir-spring-boot-samples</artifactId>
diff --git a/hapi-fhir-spring-boot/hapi-fhir-spring-boot-starter/pom.xml b/hapi-fhir-spring-boot/hapi-fhir-spring-boot-starter/pom.xml
index 47d88093265..52916fdbdec 100644
--- a/hapi-fhir-spring-boot/hapi-fhir-spring-boot-starter/pom.xml
+++ b/hapi-fhir-spring-boot/hapi-fhir-spring-boot-starter/pom.xml
@@ -5,7 +5,7 @@
    <parent>
       <groupId>ca.uhn.hapi.fhir</groupId>
       <artifactId>hapi-deployable-pom</artifactId>
-      <version>5.0.0</version>
+      <version>5.1.0-SNAPSHOT</version>
       <relativePath>../../hapi-deployable-pom/pom.xml</relativePath>
    </parent>
 
diff --git a/hapi-fhir-spring-boot/pom.xml b/hapi-fhir-spring-boot/pom.xml
index 2954d071242..31be0e2d12f 100644
--- a/hapi-fhir-spring-boot/pom.xml
+++ b/hapi-fhir-spring-boot/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-fhir</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-structures-dstu2.1/pom.xml b/hapi-fhir-structures-dstu2.1/pom.xml
index 98c3e302d75..76c940fdbe8 100644
--- a/hapi-fhir-structures-dstu2.1/pom.xml
+++ b/hapi-fhir-structures-dstu2.1/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-structures-dstu2/pom.xml b/hapi-fhir-structures-dstu2/pom.xml
index 9fe13fa497e..da532ce3950 100644
--- a/hapi-fhir-structures-dstu2/pom.xml
+++ b/hapi-fhir-structures-dstu2/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-structures-dstu3/pom.xml b/hapi-fhir-structures-dstu3/pom.xml
index a848d59a843..85fd76d7f77 100644
--- a/hapi-fhir-structures-dstu3/pom.xml
+++ b/hapi-fhir-structures-dstu3/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-structures-hl7org-dstu2/pom.xml b/hapi-fhir-structures-hl7org-dstu2/pom.xml
index e9ee568be22..a72eea23fdd 100644
--- a/hapi-fhir-structures-hl7org-dstu2/pom.xml
+++ b/hapi-fhir-structures-hl7org-dstu2/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-structures-r4/pom.xml b/hapi-fhir-structures-r4/pom.xml
index ad0192730fc..94f2bec2ada 100644
--- a/hapi-fhir-structures-r4/pom.xml
+++ b/hapi-fhir-structures-r4/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-structures-r5/pom.xml b/hapi-fhir-structures-r5/pom.xml
index a6e25561063..826236491d8 100644
--- a/hapi-fhir-structures-r5/pom.xml
+++ b/hapi-fhir-structures-r5/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-test-utilities/pom.xml b/hapi-fhir-test-utilities/pom.xml
index c5a48f19e72..37f437941d9 100644
--- a/hapi-fhir-test-utilities/pom.xml
+++ b/hapi-fhir-test-utilities/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
@@ -19,17 +19,17 @@
 		<dependency>
 			<groupId>ca.uhn.hapi.fhir</groupId>
 			<artifactId>hapi-fhir-base</artifactId>
-			<version>5.0.0</version>
+			<version>5.1.0-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>ca.uhn.hapi.fhir</groupId>
 			<artifactId>hapi-fhir-server</artifactId>
-			<version>5.0.0</version>
+			<version>5.1.0-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>ca.uhn.hapi.fhir</groupId>
 			<artifactId>hapi-fhir-client</artifactId>
-			<version>5.0.0</version>
+			<version>5.1.0-SNAPSHOT</version>
 		</dependency>
 
 		<!-- General -->
diff --git a/hapi-fhir-testpage-overlay/pom.xml b/hapi-fhir-testpage-overlay/pom.xml
index 33db93006cc..28ef8c7af91 100644
--- a/hapi-fhir-testpage-overlay/pom.xml
+++ b/hapi-fhir-testpage-overlay/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-fhir</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-validation-resources-dstu2.1/pom.xml b/hapi-fhir-validation-resources-dstu2.1/pom.xml
index dae58d6cb62..dd5f6eea395 100644
--- a/hapi-fhir-validation-resources-dstu2.1/pom.xml
+++ b/hapi-fhir-validation-resources-dstu2.1/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-validation-resources-dstu2/pom.xml b/hapi-fhir-validation-resources-dstu2/pom.xml
index 077241aebd8..2970965dec0 100644
--- a/hapi-fhir-validation-resources-dstu2/pom.xml
+++ b/hapi-fhir-validation-resources-dstu2/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-validation-resources-dstu3/pom.xml b/hapi-fhir-validation-resources-dstu3/pom.xml
index 708cd0b3759..c269362f608 100644
--- a/hapi-fhir-validation-resources-dstu3/pom.xml
+++ b/hapi-fhir-validation-resources-dstu3/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-validation-resources-r4/pom.xml b/hapi-fhir-validation-resources-r4/pom.xml
index 4e625dad506..4c821400648 100644
--- a/hapi-fhir-validation-resources-r4/pom.xml
+++ b/hapi-fhir-validation-resources-r4/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-validation-resources-r5/pom.xml b/hapi-fhir-validation-resources-r5/pom.xml
index 8437526b67e..344f6ba2ca4 100644
--- a/hapi-fhir-validation-resources-r5/pom.xml
+++ b/hapi-fhir-validation-resources-r5/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-fhir-validation/pom.xml b/hapi-fhir-validation/pom.xml
index 46c62f3771a..1e36c0fd38a 100644
--- a/hapi-fhir-validation/pom.xml
+++ b/hapi-fhir-validation/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-deployable-pom</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../hapi-deployable-pom/pom.xml</relativePath>
 	</parent>
 
diff --git a/hapi-tinder-plugin/pom.xml b/hapi-tinder-plugin/pom.xml
index 9ee1fd9a097..555a59caa36 100644
--- a/hapi-tinder-plugin/pom.xml
+++ b/hapi-tinder-plugin/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-fhir</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
@@ -58,37 +58,37 @@
 		<dependency>
 			<groupId>ca.uhn.hapi.fhir</groupId>
 			<artifactId>hapi-fhir-structures-dstu3</artifactId>
-			<version>5.0.0</version>
+			<version>5.1.0-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>ca.uhn.hapi.fhir</groupId>
 			<artifactId>hapi-fhir-structures-hl7org-dstu2</artifactId>
-			<version>5.0.0</version>
+			<version>5.1.0-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>ca.uhn.hapi.fhir</groupId>
 			<artifactId>hapi-fhir-structures-r4</artifactId>
-			<version>5.0.0</version>
+			<version>5.1.0-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>ca.uhn.hapi.fhir</groupId>
 			<artifactId>hapi-fhir-structures-r5</artifactId>
-			<version>5.0.0</version>
+			<version>5.1.0-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>ca.uhn.hapi.fhir</groupId>
 			<artifactId>hapi-fhir-validation-resources-dstu2</artifactId>
-			<version>5.0.0</version>
+			<version>5.1.0-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>ca.uhn.hapi.fhir</groupId>
 			<artifactId>hapi-fhir-validation-resources-dstu3</artifactId>
-			<version>5.0.0</version>
+			<version>5.1.0-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>ca.uhn.hapi.fhir</groupId>
 			<artifactId>hapi-fhir-validation-resources-r4</artifactId>
-			<version>5.0.0</version>
+			<version>5.1.0-SNAPSHOT</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.velocity</groupId>
diff --git a/hapi-tinder-test/pom.xml b/hapi-tinder-test/pom.xml
index 81633bd63ee..080edafbd22 100644
--- a/hapi-tinder-test/pom.xml
+++ b/hapi-tinder-test/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-fhir</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/pom.xml b/pom.xml
index ba9847bd196..593c4c067f5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 	<groupId>ca.uhn.hapi.fhir</groupId>
 	<artifactId>hapi-fhir</artifactId>
 	<packaging>pom</packaging>
-	<version>5.0.0</version>
+	<version>5.1.0-SNAPSHOT</version>
 	<name>HAPI-FHIR</name>
 	<description>An open-source implementation of the FHIR specification in Java.</description>
 	<url>https://hapifhir.io</url>
@@ -644,7 +644,7 @@
 
 	<properties>
 
-		<fhir_core_version>5.0.0</fhir_core_version>
+		<fhir_core_version>5.0.1-SNAPSHOT</fhir_core_version>
 		<ucum_version>1.0.2</ucum_version>
 
 		<surefire_jvm_args>-Dfile.encoding=UTF-8 -Xmx2048m</surefire_jvm_args>
diff --git a/restful-server-example/pom.xml b/restful-server-example/pom.xml
index d33025cae4f..57d87df0199 100644
--- a/restful-server-example/pom.xml
+++ b/restful-server-example/pom.xml
@@ -8,7 +8,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-fhir</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 	
diff --git a/tests/hapi-fhir-base-test-jaxrsserver-kotlin/pom.xml b/tests/hapi-fhir-base-test-jaxrsserver-kotlin/pom.xml
index 955566c0ddb..a07fff46c3f 100644
--- a/tests/hapi-fhir-base-test-jaxrsserver-kotlin/pom.xml
+++ b/tests/hapi-fhir-base-test-jaxrsserver-kotlin/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-fhir</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 
diff --git a/tests/hapi-fhir-base-test-mindeps-client/pom.xml b/tests/hapi-fhir-base-test-mindeps-client/pom.xml
index 78b545c2eb1..19d7b614cce 100644
--- a/tests/hapi-fhir-base-test-mindeps-client/pom.xml
+++ b/tests/hapi-fhir-base-test-mindeps-client/pom.xml
@@ -4,7 +4,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-fhir</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 
diff --git a/tests/hapi-fhir-base-test-mindeps-server/pom.xml b/tests/hapi-fhir-base-test-mindeps-server/pom.xml
index c611ba5777c..47360a5a445 100644
--- a/tests/hapi-fhir-base-test-mindeps-server/pom.xml
+++ b/tests/hapi-fhir-base-test-mindeps-server/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>hapi-fhir</artifactId>
-		<version>5.0.0</version>
+		<version>5.1.0-SNAPSHOT</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>