diff --git a/mybatis-spring-boot-autoconfigure/pom.xml b/mybatis-spring-boot-autoconfigure/pom.xml
index 1c5101b48..b026c623d 100644
--- a/mybatis-spring-boot-autoconfigure/pom.xml
+++ b/mybatis-spring-boot-autoconfigure/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>mybatis-spring-boot-autoconfigure</artifactId>
   <name>mybatis-spring-boot-autoconfigure</name>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-annotation/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-annotation/pom.xml
index 64af3c00d..11a597bb9 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-annotation/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-annotation/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-annotation</artifactId>
   <packaging>jar</packaging>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-freemarker-legacy/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-freemarker-legacy/pom.xml
index ccc5443de..70e604b5f 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-freemarker-legacy/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-freemarker-legacy/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-freemarker-legacy</artifactId>
   <packaging>jar</packaging>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-freemarker/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-freemarker/pom.xml
index a9c7d8699..12bcc6f80 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-freemarker/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-freemarker/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-freemarker</artifactId>
   <packaging>jar</packaging>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-groovy/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-groovy/pom.xml
index d8eb2bd67..dc50ee865 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-groovy/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-groovy/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-groovy</artifactId>
   <packaging>jar</packaging>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-kotlin/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-kotlin/pom.xml
index f9c7c81ab..39fb9fc69 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-kotlin/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-kotlin/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-kotlin</artifactId>
   <packaging>jar</packaging>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-thymeleaf/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-thymeleaf/pom.xml
index b70d75989..d3fbcca31 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-thymeleaf/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-thymeleaf/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-thymeleaf</artifactId>
   <packaging>jar</packaging>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-velocity-legacy/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-velocity-legacy/pom.xml
index 41a225a35..33a4dc3ed 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-velocity-legacy/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-velocity-legacy/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-velocity-legacy</artifactId>
   <packaging>jar</packaging>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-velocity/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-velocity/pom.xml
index bf65bdc35..84cfaf1ce 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-velocity/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-velocity/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-velocity</artifactId>
   <packaging>jar</packaging>
diff --git a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-xml/pom.xml b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-xml/pom.xml
index 6235ac45f..32669ded5 100644
--- a/mybatis-spring-boot-samples/mybatis-spring-boot-sample-xml/pom.xml
+++ b/mybatis-spring-boot-samples/mybatis-spring-boot-sample-xml/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot-samples</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>mybatis-spring-boot-sample-xml</artifactId>
   <packaging>jar</packaging>
diff --git a/mybatis-spring-boot-samples/pom.xml b/mybatis-spring-boot-samples/pom.xml
index 74bd8aca9..0e348562e 100644
--- a/mybatis-spring-boot-samples/pom.xml
+++ b/mybatis-spring-boot-samples/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>mybatis-spring-boot-samples</artifactId>
   <packaging>pom</packaging>
diff --git a/mybatis-spring-boot-starter-test/pom.xml b/mybatis-spring-boot-starter-test/pom.xml
index 75101254a..cb7c2fb6a 100644
--- a/mybatis-spring-boot-starter-test/pom.xml
+++ b/mybatis-spring-boot-starter-test/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <artifactId>mybatis-spring-boot</artifactId>
     <groupId>org.mybatis.spring.boot</groupId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>mybatis-spring-boot-starter-test</artifactId>
   <name>mybatis-spring-boot-starter-test</name>
diff --git a/mybatis-spring-boot-starter/pom.xml b/mybatis-spring-boot-starter/pom.xml
index 6069f91f1..b709a3279 100644
--- a/mybatis-spring-boot-starter/pom.xml
+++ b/mybatis-spring-boot-starter/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>org.mybatis.spring.boot</groupId>
     <artifactId>mybatis-spring-boot</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>mybatis-spring-boot-starter</artifactId>
   <name>mybatis-spring-boot-starter</name>
diff --git a/mybatis-spring-boot-test-autoconfigure/pom.xml b/mybatis-spring-boot-test-autoconfigure/pom.xml
index 1b653be4d..ea885ebc5 100644
--- a/mybatis-spring-boot-test-autoconfigure/pom.xml
+++ b/mybatis-spring-boot-test-autoconfigure/pom.xml
@@ -22,7 +22,7 @@
   <parent>
     <artifactId>mybatis-spring-boot</artifactId>
     <groupId>org.mybatis.spring.boot</groupId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   <artifactId>mybatis-spring-boot-test-autoconfigure</artifactId>
   <name>mybatis-spring-boot-test-autoconfigure</name>
diff --git a/pom.xml b/pom.xml
index e48977cf7..ca840e66b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
 
   <groupId>org.mybatis.spring.boot</groupId>
   <artifactId>mybatis-spring-boot</artifactId>
-  <version>2.1.1-SNAPSHOT</version>
+  <version>2.1.1</version>
   <packaging>pom</packaging>
 
   <name>mybatis-spring-boot</name>
@@ -48,7 +48,7 @@
     <connection>scm:git:git@github.com:mybatis/spring-boot-starter.git</connection>
     <developerConnection>scm:git:git@github.com:mybatis/spring-boot-starter.git</developerConnection>
     <url>https://github.com/mybatis/spring-boot-starter/tree/master</url>
-    <tag>HEAD</tag>
+    <tag>mybatis-spring-boot-2.1.1</tag>
   </scm>
   <issueManagement>
     <system>GitHub Issue Management</system>
@@ -105,22 +105,22 @@
       <dependency>
         <groupId>org.mybatis.spring.boot</groupId>
         <artifactId>mybatis-spring-boot-autoconfigure</artifactId>
-        <version>2.1.1-SNAPSHOT</version>
+        <version>2.1.1</version>
       </dependency>
       <dependency>
         <groupId>org.mybatis.spring.boot</groupId>
         <artifactId>mybatis-spring-boot-starter</artifactId>
-        <version>2.1.1-SNAPSHOT</version>
+        <version>2.1.1</version>
       </dependency>
       <dependency>
         <groupId>org.mybatis.spring.boot</groupId>
         <artifactId>mybatis-spring-boot-test-autoconfigure</artifactId>
-        <version>2.1.1-SNAPSHOT</version>
+        <version>2.1.1</version>
       </dependency>
       <dependency>
         <groupId>org.mybatis.spring.boot</groupId>
         <artifactId>mybatis-spring-boot-starter-test</artifactId>
-        <version>2.1.1-SNAPSHOT</version>
+        <version>2.1.1</version>
       </dependency>
       <dependency>
         <groupId>org.springframework.boot</groupId>