diff --git a/polyglot-atom/pom.xml b/polyglot-atom/pom.xml
index 55173c3f..78cbc76f 100644
--- a/polyglot-atom/pom.xml
+++ b/polyglot-atom/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <groupId>io.takari.polyglot</groupId>
     <artifactId>polyglot</artifactId>
-    <version>0.4.6</version>
+    <version>0.4.7-SNAPSHOT</version>
   </parent>
 
   <artifactId>polyglot-atom</artifactId>
diff --git a/polyglot-clojure/pom.xml b/polyglot-clojure/pom.xml
index 0679a03c..262795dd 100644
--- a/polyglot-clojure/pom.xml
+++ b/polyglot-clojure/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <groupId>io.takari.polyglot</groupId>
     <artifactId>polyglot</artifactId>
-    <version>0.4.6</version>
+    <version>0.4.7-SNAPSHOT</version>
   </parent>
 
   <artifactId>polyglot-clojure</artifactId>
diff --git a/polyglot-common/pom.xml b/polyglot-common/pom.xml
index a3a8f094..625f274d 100644
--- a/polyglot-common/pom.xml
+++ b/polyglot-common/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>io.takari.polyglot</groupId>
     <artifactId>polyglot</artifactId>
-    <version>0.4.6</version>
+    <version>0.4.7-SNAPSHOT</version>
   </parent>
 
   <artifactId>polyglot-common</artifactId>
diff --git a/polyglot-groovy/pom.xml b/polyglot-groovy/pom.xml
index d4635e06..0199cd59 100644
--- a/polyglot-groovy/pom.xml
+++ b/polyglot-groovy/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>io.takari.polyglot</groupId>
     <artifactId>polyglot</artifactId>
-    <version>0.4.6</version>
+    <version>0.4.7-SNAPSHOT</version>
   </parent>
 
   <artifactId>polyglot-groovy</artifactId>
diff --git a/polyglot-java/pom.xml b/polyglot-java/pom.xml
index a89a7551..52cb923a 100644
--- a/polyglot-java/pom.xml
+++ b/polyglot-java/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>io.takari.polyglot</groupId>
     <artifactId>polyglot</artifactId>
-    <version>0.4.6</version>
+    <version>0.4.7-SNAPSHOT</version>
   </parent>
 
   <artifactId>polyglot-java</artifactId>
diff --git a/polyglot-kotlin/pom.xml b/polyglot-kotlin/pom.xml
index a685cdc3..d8e4d7f9 100644
--- a/polyglot-kotlin/pom.xml
+++ b/polyglot-kotlin/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <groupId>io.takari.polyglot</groupId>
     <artifactId>polyglot</artifactId>
-    <version>0.4.6</version>
+    <version>0.4.7-SNAPSHOT</version>
   </parent>
 
   <artifactId>polyglot-kotlin</artifactId>
diff --git a/polyglot-maven-plugin/pom.xml b/polyglot-maven-plugin/pom.xml
index 45a155c5..d03896dd 100644
--- a/polyglot-maven-plugin/pom.xml
+++ b/polyglot-maven-plugin/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>io.takari.polyglot</groupId>
     <artifactId>polyglot</artifactId>
-    <version>0.4.6</version>
+    <version>0.4.7-SNAPSHOT</version>
   </parent>
 
   <artifactId>polyglot-maven-plugin</artifactId>
diff --git a/polyglot-ruby/pom.xml b/polyglot-ruby/pom.xml
index eb7f9dfd..209a5008 100644
--- a/polyglot-ruby/pom.xml
+++ b/polyglot-ruby/pom.xml
@@ -15,7 +15,7 @@
   <parent>
     <groupId>io.takari.polyglot</groupId>
     <artifactId>polyglot</artifactId>
-    <version>0.4.6</version>
+    <version>0.4.7-SNAPSHOT</version>
   </parent>
 
   <artifactId>polyglot-ruby</artifactId>
diff --git a/polyglot-scala/pom.xml b/polyglot-scala/pom.xml
index eab34244..de4ac258 100644
--- a/polyglot-scala/pom.xml
+++ b/polyglot-scala/pom.xml
@@ -13,7 +13,7 @@
   <parent>
     <groupId>io.takari.polyglot</groupId>
     <artifactId>polyglot</artifactId>
-    <version>0.4.6</version>
+    <version>0.4.7-SNAPSHOT</version>
   </parent>
   <artifactId>polyglot-scala</artifactId>
   <packaging>takari-jar</packaging>
diff --git a/polyglot-translate-plugin/pom.xml b/polyglot-translate-plugin/pom.xml
index 62a7f6cd..819a7ac9 100644
--- a/polyglot-translate-plugin/pom.xml
+++ b/polyglot-translate-plugin/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>io.takari.polyglot</groupId>
     <artifactId>polyglot</artifactId>
-    <version>0.4.6</version>
+    <version>0.4.7-SNAPSHOT</version>
   </parent>
 
   <artifactId>polyglot-translate-plugin</artifactId>
diff --git a/polyglot-xml/pom.xml b/polyglot-xml/pom.xml
index 0304cbbf..7d7a155c 100644
--- a/polyglot-xml/pom.xml
+++ b/polyglot-xml/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>io.takari.polyglot</groupId>
 		<artifactId>polyglot</artifactId>
-		<version>0.4.6</version>
+		<version>0.4.7-SNAPSHOT</version>
 	</parent>
 	<artifactId>polyglot-xml</artifactId>
   <packaging>takari-jar</packaging>
diff --git a/polyglot-yaml/pom.xml b/polyglot-yaml/pom.xml
index 89528f50..5d5537e4 100644
--- a/polyglot-yaml/pom.xml
+++ b/polyglot-yaml/pom.xml
@@ -14,7 +14,7 @@
   <parent>
     <groupId>io.takari.polyglot</groupId>
     <artifactId>polyglot</artifactId>
-    <version>0.4.6</version>
+    <version>0.4.7-SNAPSHOT</version>
   </parent>
   <artifactId>polyglot-yaml</artifactId>
   <packaging>takari-jar</packaging>
diff --git a/pom.xml b/pom.xml
index 8c896c81..6aceb71d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -15,7 +15,7 @@
 
   <groupId>io.takari.polyglot</groupId>
   <artifactId>polyglot</artifactId>
-  <version>0.4.6</version>
+  <version>0.4.7-SNAPSHOT</version>
   <name>Polyglot :: Aggregator</name>
   <packaging>pom</packaging>
 
@@ -37,7 +37,7 @@
     <connection>scm:git:git@github.com:takari/polyglot-maven.git</connection>
     <developerConnection>scm:git:git@github.com:takari/polyglot-maven.git</developerConnection>
     <url>https://github.com/takari/polyglot-maven</url>
-    <tag>polyglot-0.4.6</tag>
+    <tag>HEAD</tag>
   </scm>
 
   <modules>