diff --git a/pom.xml b/pom.xml
index 85fcd5dc49f..5d5080b7315 100755
--- a/pom.xml
+++ b/pom.xml
@@ -31,7 +31,7 @@
   <artifactId>parent</artifactId>
   <packaging>pom</packaging>
   <!-- to change version: mvn -B release:update-versions -DdevelopmentVersion=3.6.0-SNAPSHOT -->
-  <version>3.7.0-SNAPSHOT</version>
+  <version>3.8.0-SNAPSHOT</version>
   <name>Apache ZooKeeper</name>
   <description>
     ZooKeeper is a centralized service for maintaining configuration information, naming,
@@ -71,7 +71,7 @@
     <connection>scm:git:https://gitbox.apache.org/repos/asf/zookeeper.git</connection>
     <developerConnection>scm:git:https://gitbox.apache.org/repos/asf/zookeeper.git</developerConnection>
     <url>https://gitbox.apache.org/repos/asf/zookeeper.git</url>
-    <tag>branch-3.7</tag>
+    <tag>HEAD</tag>
   </scm>
   <issueManagement>
     <system>JIRA</system>
diff --git a/zookeeper-assembly/pom.xml b/zookeeper-assembly/pom.xml
index 1a3998d4bdd..a2fb72a36be 100755
--- a/zookeeper-assembly/pom.xml
+++ b/zookeeper-assembly/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.zookeeper</groupId>
     <artifactId>parent</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>3.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>zookeeper-assembly</artifactId>
diff --git a/zookeeper-client/pom.xml b/zookeeper-client/pom.xml
index d42256c6155..302fcff29e1 100755
--- a/zookeeper-client/pom.xml
+++ b/zookeeper-client/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.zookeeper</groupId>
     <artifactId>parent</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>3.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>zookeeper-client</artifactId>
diff --git a/zookeeper-client/zookeeper-client-c/pom.xml b/zookeeper-client/zookeeper-client-c/pom.xml
index dd9c23f4d1b..b19c47fd8e1 100755
--- a/zookeeper-client/zookeeper-client-c/pom.xml
+++ b/zookeeper-client/zookeeper-client-c/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.zookeeper</groupId>
     <artifactId>zookeeper-client</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>3.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>zookeeper-client-c</artifactId>
diff --git a/zookeeper-compatibility-tests/pom.xml b/zookeeper-compatibility-tests/pom.xml
index 69924b620ab..8ccddbb2d5e 100644
--- a/zookeeper-compatibility-tests/pom.xml
+++ b/zookeeper-compatibility-tests/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.zookeeper</groupId>
         <artifactId>parent</artifactId>
-        <version>3.7.0-SNAPSHOT</version>
+        <version>3.8.0-SNAPSHOT</version>
     </parent>
     <packaging>pom</packaging>
     <modelVersion>4.0.0</modelVersion>
diff --git a/zookeeper-compatibility-tests/zookeeper-compatibility-tests-curator/pom.xml b/zookeeper-compatibility-tests/zookeeper-compatibility-tests-curator/pom.xml
index 77c9e5b46cf..18ede17ed32 100644
--- a/zookeeper-compatibility-tests/zookeeper-compatibility-tests-curator/pom.xml
+++ b/zookeeper-compatibility-tests/zookeeper-compatibility-tests-curator/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.apache.zookeeper</groupId>
         <artifactId>zookeeper-compatibility-tests</artifactId>
-        <version>3.7.0-SNAPSHOT</version>
+        <version>3.8.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/zookeeper-contrib/pom.xml b/zookeeper-contrib/pom.xml
index bffc113afc4..ca6047b7b46 100755
--- a/zookeeper-contrib/pom.xml
+++ b/zookeeper-contrib/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.zookeeper</groupId>
     <artifactId>parent</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>3.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>zookeeper-contrib</artifactId>
diff --git a/zookeeper-contrib/zookeeper-contrib-fatjar/pom.xml b/zookeeper-contrib/zookeeper-contrib-fatjar/pom.xml
index 2772b94d63a..b8d04f9c584 100755
--- a/zookeeper-contrib/zookeeper-contrib-fatjar/pom.xml
+++ b/zookeeper-contrib/zookeeper-contrib-fatjar/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.zookeeper</groupId>
     <artifactId>zookeeper-contrib</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>3.8.0-SNAPSHOT</version>
   </parent>
 
   <groupId>org.apache.zookeeper</groupId>
diff --git a/zookeeper-contrib/zookeeper-contrib-loggraph/pom.xml b/zookeeper-contrib/zookeeper-contrib-loggraph/pom.xml
index 81e12c8264b..3c902f9f059 100755
--- a/zookeeper-contrib/zookeeper-contrib-loggraph/pom.xml
+++ b/zookeeper-contrib/zookeeper-contrib-loggraph/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.zookeeper</groupId>
     <artifactId>zookeeper-contrib</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>3.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>zookeeper-contrib-loggraph</artifactId>
diff --git a/zookeeper-contrib/zookeeper-contrib-rest/pom.xml b/zookeeper-contrib/zookeeper-contrib-rest/pom.xml
index c75f012f5b1..3eae81106a0 100755
--- a/zookeeper-contrib/zookeeper-contrib-rest/pom.xml
+++ b/zookeeper-contrib/zookeeper-contrib-rest/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.zookeeper</groupId>
     <artifactId>zookeeper-contrib</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>3.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>zookeeper-contrib-rest</artifactId>
diff --git a/zookeeper-contrib/zookeeper-contrib-zooinspector/pom.xml b/zookeeper-contrib/zookeeper-contrib-zooinspector/pom.xml
index 04162cc073d..a7c4e40d77d 100755
--- a/zookeeper-contrib/zookeeper-contrib-zooinspector/pom.xml
+++ b/zookeeper-contrib/zookeeper-contrib-zooinspector/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.zookeeper</groupId>
     <artifactId>zookeeper-contrib</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>3.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>zookeeper-contrib-zooinspector</artifactId>
diff --git a/zookeeper-docs/pom.xml b/zookeeper-docs/pom.xml
index 75fd65a3f94..9a23faf2929 100644
--- a/zookeeper-docs/pom.xml
+++ b/zookeeper-docs/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.zookeeper</groupId>
     <artifactId>parent</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>3.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>zookeeper-docs</artifactId>
diff --git a/zookeeper-it/pom.xml b/zookeeper-it/pom.xml
index 2c381a6254e..64d7fca3cd9 100755
--- a/zookeeper-it/pom.xml
+++ b/zookeeper-it/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.zookeeper</groupId>
     <artifactId>parent</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>3.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>zookeeper-it</artifactId>
diff --git a/zookeeper-jute/pom.xml b/zookeeper-jute/pom.xml
index 74eedb8448f..e6d4e6abeeb 100755
--- a/zookeeper-jute/pom.xml
+++ b/zookeeper-jute/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.zookeeper</groupId>
     <artifactId>parent</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>3.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>zookeeper-jute</artifactId>
diff --git a/zookeeper-metrics-providers/pom.xml b/zookeeper-metrics-providers/pom.xml
index a9b18d98999..71661c63f59 100755
--- a/zookeeper-metrics-providers/pom.xml
+++ b/zookeeper-metrics-providers/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.zookeeper</groupId>
     <artifactId>parent</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>3.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>zookeeper-metrics-providers</artifactId>
diff --git a/zookeeper-metrics-providers/zookeeper-prometheus-metrics/pom.xml b/zookeeper-metrics-providers/zookeeper-prometheus-metrics/pom.xml
index 857e3e502b7..df2c2147289 100755
--- a/zookeeper-metrics-providers/zookeeper-prometheus-metrics/pom.xml
+++ b/zookeeper-metrics-providers/zookeeper-prometheus-metrics/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.zookeeper</groupId>
     <artifactId>zookeeper-metrics-providers</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>3.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>zookeeper-prometheus-metrics</artifactId>
diff --git a/zookeeper-recipes/pom.xml b/zookeeper-recipes/pom.xml
index 2ab9d8eb629..fc5cd6872b6 100755
--- a/zookeeper-recipes/pom.xml
+++ b/zookeeper-recipes/pom.xml
@@ -24,7 +24,7 @@
   <parent>
     <groupId>org.apache.zookeeper</groupId>
     <artifactId>parent</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>3.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>zookeeper-recipes</artifactId>
diff --git a/zookeeper-recipes/zookeeper-recipes-election/pom.xml b/zookeeper-recipes/zookeeper-recipes-election/pom.xml
index cc9728c0fb1..0b2b466e22c 100755
--- a/zookeeper-recipes/zookeeper-recipes-election/pom.xml
+++ b/zookeeper-recipes/zookeeper-recipes-election/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.zookeeper</groupId>
     <artifactId>zookeeper-recipes</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>3.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>zookeeper-recipes-election</artifactId>
diff --git a/zookeeper-recipes/zookeeper-recipes-lock/pom.xml b/zookeeper-recipes/zookeeper-recipes-lock/pom.xml
index 68dbec53485..fe625c6abfb 100755
--- a/zookeeper-recipes/zookeeper-recipes-lock/pom.xml
+++ b/zookeeper-recipes/zookeeper-recipes-lock/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.zookeeper</groupId>
     <artifactId>zookeeper-recipes</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>3.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>zookeeper-recipes-lock</artifactId>
diff --git a/zookeeper-recipes/zookeeper-recipes-queue/pom.xml b/zookeeper-recipes/zookeeper-recipes-queue/pom.xml
index 918fb647132..5fe3eb961a4 100755
--- a/zookeeper-recipes/zookeeper-recipes-queue/pom.xml
+++ b/zookeeper-recipes/zookeeper-recipes-queue/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.zookeeper</groupId>
     <artifactId>zookeeper-recipes</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>3.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>zookeeper-recipes-queue</artifactId>
diff --git a/zookeeper-server/pom.xml b/zookeeper-server/pom.xml
index 6e11b4d8164..90ee82760ee 100755
--- a/zookeeper-server/pom.xml
+++ b/zookeeper-server/pom.xml
@@ -23,7 +23,7 @@
   <parent>
     <groupId>org.apache.zookeeper</groupId>
     <artifactId>parent</artifactId>
-    <version>3.7.0-SNAPSHOT</version>
+    <version>3.8.0-SNAPSHOT</version>
   </parent>
 
   <artifactId>zookeeper</artifactId>