diff --git a/pom.xml b/pom.xml
index 843e0ea..1803187 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 
     <groupId>com.tosan.client.http</groupId>
     <artifactId>tosan-httpclient-spring-boot-root</artifactId>
-    <version>3.1.5</version>
+    <version>3.1.6-SNAPSHOT</version>
     <packaging>pom</packaging>
 
     <name>tosan-httpclient-spring-boot-starter</name>
@@ -47,7 +47,7 @@
         <connection>scm:git:https://github.com/Tosan/tosan-httpclient-spring-boot-starter.git</connection>
         <developerConnection>scm:git:https://github.com/Tosan/tosan-httpclient-spring-boot-starter.git</developerConnection>
         <url>https://github.com/Tosan/tosan-httpclient-spring-boot-starter</url>
-        <tag>v3.1.5</tag>
+        <tag>HEAD</tag>
     </scm>
 
     <properties>
diff --git a/tosan-httpclient-spring-boot-core/pom.xml b/tosan-httpclient-spring-boot-core/pom.xml
index 4744a22..b9ae3b7 100644
--- a/tosan-httpclient-spring-boot-core/pom.xml
+++ b/tosan-httpclient-spring-boot-core/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>tosan-httpclient-spring-boot-root</artifactId>
         <groupId>com.tosan.client.http</groupId>
-        <version>3.1.5</version>
+        <version>3.1.6-SNAPSHOT</version>
     </parent>
 
     <artifactId>tosan-httpclient-spring-boot-core</artifactId>
diff --git a/tosan-httpclient-spring-boot-resttemplate-starter/pom.xml b/tosan-httpclient-spring-boot-resttemplate-starter/pom.xml
index ac64fc8..d276cb0 100644
--- a/tosan-httpclient-spring-boot-resttemplate-starter/pom.xml
+++ b/tosan-httpclient-spring-boot-resttemplate-starter/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>tosan-httpclient-spring-boot-root</artifactId>
         <groupId>com.tosan.client.http</groupId>
-        <version>3.1.5</version>
+        <version>3.1.6-SNAPSHOT</version>
     </parent>
 
     <artifactId>tosan-httpclient-spring-boot-resttemplate-starter</artifactId>
diff --git a/tosan-httpclient-spring-boot-sample/pom.xml b/tosan-httpclient-spring-boot-sample/pom.xml
index caad258..a9c456a 100644
--- a/tosan-httpclient-spring-boot-sample/pom.xml
+++ b/tosan-httpclient-spring-boot-sample/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>tosan-httpclient-spring-boot-root</artifactId>
         <groupId>com.tosan.client.http</groupId>
-        <version>3.1.5</version>
+        <version>3.1.6-SNAPSHOT</version>
     </parent>
 
     <artifactId>tosan-httpclient-spring-boot-sample</artifactId>
diff --git a/tosan-httpclient-spring-boot-starter/pom.xml b/tosan-httpclient-spring-boot-starter/pom.xml
index 05945f1..9900726 100644
--- a/tosan-httpclient-spring-boot-starter/pom.xml
+++ b/tosan-httpclient-spring-boot-starter/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.tosan.client.http</groupId>
         <artifactId>tosan-httpclient-spring-boot-root</artifactId>
-        <version>3.1.5</version>
+        <version>3.1.6-SNAPSHOT</version>
     </parent>
 
     <artifactId>tosan-httpclient-spring-boot-starter</artifactId>