diff --git a/docker/pom.xml b/docker/pom.xml
index ecbb248..b390d5f 100644
--- a/docker/pom.xml
+++ b/docker/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <artifactId>rosette-elasticsearch-parent</artifactId>
         <groupId>com.rosette.elasticsearch</groupId>
-        <version>6.4.2.0</version>
+        <version>6.4.2.1-SNAPSHOT</version>
         <relativePath>..</relativePath>
     </parent>
     <dependencies>
diff --git a/plugin/pom.xml b/plugin/pom.xml
index 15556d1..347e2a7 100644
--- a/plugin/pom.xml
+++ b/plugin/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <artifactId>rosette-elasticsearch-parent</artifactId>
         <groupId>com.rosette.elasticsearch</groupId>
-        <version>6.4.2.0</version>
+        <version>6.4.2.1-SNAPSHOT</version>
         <relativePath>..</relativePath>
     </parent>
     <inceptionYear>2017</inceptionYear>
@@ -29,7 +29,7 @@
     <scm>
         <connection>scm:git:git@github.com:rosette-api/${project.artifactId}.git</connection>
         <developerConnection>scm:git:git@github.com:rosette-api/${project.artifactId}.git</developerConnection>
-        <tag>6.4.2.0</tag>
+        <tag>HEAD</tag>
     </scm>
     <description>ElasticSearch analysis plugin powered by Rosette API</description>
     <distributionManagement>
diff --git a/pom.xml b/pom.xml
index e5446b4..87ceae9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.rosette.elasticsearch</groupId>
     <artifactId>rosette-elasticsearch-parent</artifactId>
-    <version>6.4.2.0</version>
+    <version>6.4.2.1-SNAPSHOT</version>
     <packaging>pom</packaging>
     <parent>
         <artifactId>open-source-parent</artifactId>
@@ -31,7 +31,7 @@
     <scm>
         <connection>scm:git:git@github.com:rosette-api/rosette-elasticsearch-plugin.git</connection>
         <developerConnection>scm:git:git@github.com:rosette-api/rosette-elasticsearch-plugin.git</developerConnection>
-        <tag>6.4.2.0</tag>
+        <tag>HEAD</tag>
     </scm>
     <description>ElasticSearch plugin parent</description>
     <distributionManagement>