diff --git a/README.md b/README.md
index 12670511fb..c399779e0e 100755
--- a/README.md
+++ b/README.md
@@ -11,15 +11,15 @@ TiSpark is a thin layer built for running Apache Spark on top of TiDB/TiKV to an
 Read the [Quick Start](./docs/userguide.md).
 
 ## Getting TiSpark
-The current stable version is **TiSpark 2.1** which is compatible with **Spark 2.3.0+** and **Spark 2.4.0+**.
+The current stable version is **TiSpark 2.1.1** which is compatible with **Spark 2.3.0+** and **Spark 2.4.0+**.
 
 The latest stable version compatible with **Spark 2.1.0+** is **TiSpark 1.2**
 
 **When using TiSpark 1.2, please follow the [document for Spark 2.1](./docs/userguide_spark2.1.md)**
 
-**When using TiSpark 2.1 with Spark 2.3.0+, please use version `2.1-spark_2.3` and follow the [document for Spark 2.3+](./docs/userguide.md)**
+**When using TiSpark 2.1.1 with Spark 2.3.0+, please use version `2.1.1-spark_2.3` and follow the [document for Spark 2.3+](./docs/userguide.md)**
 
-**When using TiSpark 2.1 with Spark 2.4.0+, please use version `2.1-spark_2.4` and follow the [document for Spark 2.3+](./docs/userguide.md)**
+**When using TiSpark 2.1.1 with Spark 2.4.0+, please use version `2.1.1-spark_2.4` and follow the [document for Spark 2.3+](./docs/userguide.md)**
 
 You may also [build from sources](#how-to-build-from-sources) to try the new features on TiSpark master branch.
 
@@ -29,7 +29,7 @@ If you are using maven(recommended), add the following to your pom.xml:
     <dependency>
       <groupId>com.pingcap.tispark</groupId>
       <artifactId>tispark-core</artifactId>
-      <version>2.1-spark_${spark.version}</version>
+      <version>2.1.1-spark_${spark.version}</version>
     </dependency>
 </dependencies>
 ```
@@ -70,7 +70,7 @@ While TiSpark provides downward compatibility for TiDB, it guarantees **restrict
 | ----- | ------ |
 | 1.x | Spark v2.1.0+ |
 | 2.0 | Spark v2.3.0+ |
-| 2.1 | Spark v2.3.0+, Spark v2.4.0+ |
+| 2.1.x | Spark v2.3.0+, Spark v2.4.0+ |
 | Latest (master) | Spark v2.3.0+, Spark v2.4.0+ |
 
 ## How to migrate from Spark 2.1 to Spark 2.3/2.4
diff --git a/core/pom.xml b/core/pom.xml
index 7b0695996b..dd5abc269c 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.pingcap.tispark</groupId>
         <artifactId>tispark-parent</artifactId>
-        <version>2.1</version>
+        <version>2.1.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/core/scripts/version.sh b/core/scripts/version.sh
index 222673e017..074f339a3f 100755
--- a/core/scripts/version.sh
+++ b/core/scripts/version.sh
@@ -15,7 +15,7 @@
 #
 
 cd ..
-TiSparkReleaseVersion=2.1
+TiSparkReleaseVersion=2.1.1
 TiSparkBuildTS=`date -u '+%Y-%m-%d %I:%M:%S'`
 TiSparkGitHash=`git rev-parse HEAD`
 TiSparkGitBranch=`git rev-parse --abbrev-ref HEAD`
diff --git a/pom.xml b/pom.xml
index 1484f48ced..6164e21d0e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 
     <groupId>com.pingcap.tispark</groupId>
     <artifactId>tispark-parent</artifactId>
-    <version>2.1</version>
+    <version>2.1.1</version>
     <packaging>pom</packaging>
     <name>TiSpark Project Parent POM</name>
     <url>http://github.copm/pingcap/tispark</url>
diff --git a/tikv-client/pom.xml b/tikv-client/pom.xml
index 420fcc37db..3ae4b62c1e 100644
--- a/tikv-client/pom.xml
+++ b/tikv-client/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.pingcap.tispark</groupId>
         <artifactId>tispark-parent</artifactId>
-        <version>2.1</version>
+        <version>2.1.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>