diff --git a/org.hl7.fhir.convertors/pom.xml b/org.hl7.fhir.convertors/pom.xml
index ea9fa1044..49d05b66a 100644
--- a/org.hl7.fhir.convertors/pom.xml
+++ b/org.hl7.fhir.convertors/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>3.7.27-SNAPSHOT</version>
+        <version>3.7.28-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/org.hl7.fhir.dstu2/pom.xml b/org.hl7.fhir.dstu2/pom.xml
index d4ffe4bf8..2b58e9d6f 100644
--- a/org.hl7.fhir.dstu2/pom.xml
+++ b/org.hl7.fhir.dstu2/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>org.hl7.fhir.core</artifactId>
-		<version>3.7.27-SNAPSHOT</version>
+		<version>3.7.28-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/org.hl7.fhir.dstu2016may/pom.xml b/org.hl7.fhir.dstu2016may/pom.xml
index a825d0d30..58313b1cd 100644
--- a/org.hl7.fhir.dstu2016may/pom.xml
+++ b/org.hl7.fhir.dstu2016may/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>org.hl7.fhir.core</artifactId>
-		<version>3.7.27-SNAPSHOT</version>
+		<version>3.7.28-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/org.hl7.fhir.dstu3/pom.xml b/org.hl7.fhir.dstu3/pom.xml
index 0aaac97a6..4609bb028 100644
--- a/org.hl7.fhir.dstu3/pom.xml
+++ b/org.hl7.fhir.dstu3/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>3.7.27-SNAPSHOT</version>
+        <version>3.7.28-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/org.hl7.fhir.r4/pom.xml b/org.hl7.fhir.r4/pom.xml
index df4256df3..b47c81587 100644
--- a/org.hl7.fhir.r4/pom.xml
+++ b/org.hl7.fhir.r4/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>org.hl7.fhir.core</artifactId>
-		<version>3.7.27-SNAPSHOT</version>
+		<version>3.7.28-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/org.hl7.fhir.r5/pom.xml b/org.hl7.fhir.r5/pom.xml
index 626befe52..0980f45e8 100644
--- a/org.hl7.fhir.r5/pom.xml
+++ b/org.hl7.fhir.r5/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>ca.uhn.hapi.fhir</groupId>
 		<artifactId>org.hl7.fhir.core</artifactId>
-		<version>3.7.27-SNAPSHOT</version>
+		<version>3.7.28-SNAPSHOT</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>
 
diff --git a/org.hl7.fhir.utilities/pom.xml b/org.hl7.fhir.utilities/pom.xml
index 71b37012b..a7a13a5dd 100644
--- a/org.hl7.fhir.utilities/pom.xml
+++ b/org.hl7.fhir.utilities/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>3.7.27-SNAPSHOT</version>
+        <version>3.7.28-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/org.hl7.fhir.validation.cli/pom.xml b/org.hl7.fhir.validation.cli/pom.xml
index e6b8a9af3..5ac0d5239 100644
--- a/org.hl7.fhir.validation.cli/pom.xml
+++ b/org.hl7.fhir.validation.cli/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>3.7.27-SNAPSHOT</version>
+        <version>3.7.28-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/org.hl7.fhir.validation/pom.xml b/org.hl7.fhir.validation/pom.xml
index 319de686f..c7988105e 100644
--- a/org.hl7.fhir.validation/pom.xml
+++ b/org.hl7.fhir.validation/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>ca.uhn.hapi.fhir</groupId>
         <artifactId>org.hl7.fhir.core</artifactId>
-        <version>3.7.27-SNAPSHOT</version>
+        <version>3.7.28-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/pom.xml b/pom.xml
index 994d3a79f..c0b33d0b9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
 	each other. It is fine to bump the point version of this POM without affecting
 	HAPI FHIR.
 	-->
-	<version>3.7.27-SNAPSHOT</version>
+	<version>3.7.28-SNAPSHOT</version>
 
 	<properties>
 		<hapi_fhir_version>3.7.0-SNAPSHOT</hapi_fhir_version>
diff --git a/release.bat b/release.bat
index 12c052ae5..3ebd57f9b 100644
--- a/release.bat
+++ b/release.bat
@@ -4,15 +4,15 @@ REM make sure you are committed
 echo
 
 echo ===============================================================
-echo upgrade and release fhir.core from 3.7.26-SNAPSHOT to 3.7.27-SNAPSHOT
+echo upgrade and release fhir.core from 3.7.27-SNAPSHOT to 3.7.28-SNAPSHOT
 echo ===============================================================
 pause
 
-call mvn versions:set -DnewVersion=3.7.27-SNAPSHOT
+call mvn versions:set -DnewVersion=3.7.28-SNAPSHOT
 call git commit -a -m "Release new version"
 call git push origin master
-call "C:\tools\fnr.exe" --cl --dir "C:\work\org.hl7.fhir\build" --fileMask "*.java" --excludeFileMask "*.dll, *.exe" --includeSubDirectories --find "3.7.26-SNAPSHOT" --replace "3.7.27-SNAPSHOT"
-call "C:\tools\fnr.exe" --cl --dir "C:\work\org.hl7.fhir\build" --fileMask "*.xml" --excludeFileMask "*.dll, *.exe" --find "3.7.26-SNAPSHOT" --replace "3.7.27-SNAPSHOT"
+call "C:\tools\fnr.exe" --cl --dir "C:\work\org.hl7.fhir\build" --fileMask "*.java" --excludeFileMask "*.dll, *.exe" --includeSubDirectories --find "3.7.27-SNAPSHOT" --replace "3.7.28-SNAPSHOT"
+call "C:\tools\fnr.exe" --cl --dir "C:\work\org.hl7.fhir\build" --fileMask "*.xml" --excludeFileMask "*.dll, *.exe" --find "3.7.27-SNAPSHOT" --replace "3.7.28-SNAPSHOT"
 call mvn deploy
 
 echo ===============================================================