diff --git a/httpclient5-cache/pom.xml b/httpclient5-cache/pom.xml
index 5c5c27140..0be12c492 100644
--- a/httpclient5-cache/pom.xml
+++ b/httpclient5-cache/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>org.apache.httpcomponents.client5</groupId>
     <artifactId>httpclient5-parent</artifactId>
-    <version>5.0.3-SNAPSHOT</version>
+    <version>5.1-beta1-SNAPSHOT</version>
   </parent>
   <artifactId>httpclient5-cache</artifactId>
   <name>Apache HttpClient Cache</name>
diff --git a/httpclient5-fluent/pom.xml b/httpclient5-fluent/pom.xml
index 67c1e46c3..cba8df958 100644
--- a/httpclient5-fluent/pom.xml
+++ b/httpclient5-fluent/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>org.apache.httpcomponents.client5</groupId>
     <artifactId>httpclient5-parent</artifactId>
-    <version>5.0.3-SNAPSHOT</version>
+    <version>5.1-beta1-SNAPSHOT</version>
   </parent>
   <artifactId>httpclient5-fluent</artifactId>
   <name>Apache HttpClient Fluent</name>
diff --git a/httpclient5-testing/pom.xml b/httpclient5-testing/pom.xml
index 4551dd49b..3ea9a305b 100644
--- a/httpclient5-testing/pom.xml
+++ b/httpclient5-testing/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>org.apache.httpcomponents.client5</groupId>
     <artifactId>httpclient5-parent</artifactId>
-    <version>5.0.3-SNAPSHOT</version>
+    <version>5.1-beta1-SNAPSHOT</version>
   </parent>
   <artifactId>httpclient5-testing</artifactId>
   <name>Apache HttpClient Integration Tests</name>
diff --git a/httpclient5-win/pom.xml b/httpclient5-win/pom.xml
index 60994c034..302d58c9f 100644
--- a/httpclient5-win/pom.xml
+++ b/httpclient5-win/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>org.apache.httpcomponents.client5</groupId>
     <artifactId>httpclient5-parent</artifactId>
-    <version>5.0.3-SNAPSHOT</version>
+    <version>5.1-beta1-SNAPSHOT</version>
   </parent>
   <artifactId>httpclient5-win</artifactId>
   <name>Apache HttpClient Windows features</name>
diff --git a/httpclient5/pom.xml b/httpclient5/pom.xml
index 833f7bae7..eb27048a4 100644
--- a/httpclient5/pom.xml
+++ b/httpclient5/pom.xml
@@ -28,7 +28,7 @@
   <parent>
     <groupId>org.apache.httpcomponents.client5</groupId>
     <artifactId>httpclient5-parent</artifactId>
-    <version>5.0.3-SNAPSHOT</version>
+    <version>5.1-beta1-SNAPSHOT</version>
   </parent>
   <artifactId>httpclient5</artifactId>
   <name>Apache HttpClient</name>
diff --git a/pom.xml b/pom.xml
index 758aed1dd..f4087423d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -33,7 +33,7 @@
   <groupId>org.apache.httpcomponents.client5</groupId>
   <artifactId>httpclient5-parent</artifactId>
   <name>Apache HttpComponents Client Parent</name>
-  <version>5.0.3-SNAPSHOT</version>
+  <version>5.1-beta1-SNAPSHOT</version>
   <description>Apache HttpComponents Client is a library of components for building client side HTTP services</description>
   <url>https://hc.apache.org/httpcomponents-client-5.0.x/${project.version}/</url>
   <inceptionYear>1999</inceptionYear>
@@ -48,7 +48,7 @@
     <connection>scm:git:https://gitbox.apache.org/repos/asf/httpcomponents-client.git</connection>
     <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/httpcomponents-client.git</developerConnection>
     <url>https://github.com/apache/httpcomponents-client/tree/${project.scm.tag}</url>
-    <tag>5.0.3-SNAPSHOT</tag>
+    <tag>5.1-beta1-SNAPSHOT</tag>
   </scm>
 
  <distributionManagement>