diff --git a/BUILD_INFO b/BUILD_INFO
index f63000821..ddf1773e0 100644
--- a/BUILD_INFO
+++ b/BUILD_INFO
@@ -1 +1 @@
-eggroll.version=3.1.0
+eggroll.version=3.2.0
diff --git a/RELEASE.md b/RELEASE.md
index 95001a223..810357e62 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -1,3 +1,12 @@
+## Release 3.2.0
+1. Upgrade from Python 3.8 to Python 3.10
+
+
+## Release 3.1.0
+1. add 2.x api backport support
+2. some bug fix
+
+
 ## Release 3.0.0
 
 **Enhancements in the JVM Part:**
diff --git a/jvm/cluster_dashboard/pom.xml b/jvm/cluster_dashboard/pom.xml
index 878d245d4..d2c932c10 100644
--- a/jvm/cluster_dashboard/pom.xml
+++ b/jvm/cluster_dashboard/pom.xml
@@ -6,7 +6,7 @@
         <artifactId>eggroll-all</artifactId>
         <groupId>org.fedai.eggroll</groupId>
         <relativePath>../pom.xml</relativePath>
-        <version>3.1.0</version>
+        <version>3.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cluster_dashboard</artifactId>
@@ -162,4 +162,4 @@
 <!--        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>-->
 <!--    </properties>-->
 
-</project>
\ No newline at end of file
+</project>
diff --git a/jvm/cluster_manager/pom.xml b/jvm/cluster_manager/pom.xml
index b143ae38d..2b705e929 100644
--- a/jvm/cluster_manager/pom.xml
+++ b/jvm/cluster_manager/pom.xml
@@ -6,7 +6,7 @@
         <groupId>org.fedai.eggroll</groupId>
         <artifactId>eggroll-all</artifactId>
         <relativePath>../pom.xml</relativePath>
-        <version>3.1.0</version>
+        <version>3.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>cluster_manager</artifactId>
@@ -100,4 +100,4 @@
             <artifactId>commons-collections</artifactId>
         </dependency>
     </dependencies>
-</project>
\ No newline at end of file
+</project>
diff --git a/jvm/cluster_manager/src/test/resources/application.properties b/jvm/cluster_manager/src/test/resources/application.properties
index a83479d2c..27dbaae36 100644
--- a/jvm/cluster_manager/src/test/resources/application.properties
+++ b/jvm/cluster_manager/src/test/resources/application.properties
@@ -16,7 +16,7 @@
 
 [eggroll]
 application.title=eggroll
-application.version=3.1.0
+application.version=3.2.0
 # core
 #eggroll.resourcemanager.clustermanager.jdbc.driver.class.name=org.h2.Driver
 eggroll.resourcemanager.clustermanager.jdbc.driver.class.name=com.mysql.cj.jdbc.Driver
diff --git a/jvm/core/pom.xml b/jvm/core/pom.xml
index 479f1c785..649b66e9c 100644
--- a/jvm/core/pom.xml
+++ b/jvm/core/pom.xml
@@ -6,7 +6,7 @@
         <groupId>org.fedai.eggroll</groupId>
         <artifactId>eggroll-all</artifactId>
         <relativePath>../pom.xml</relativePath>
-        <version>3.1.0</version>
+        <version>3.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core</artifactId>
@@ -142,4 +142,4 @@
         </plugins>
     </build>
 
-</project>
\ No newline at end of file
+</project>
diff --git a/jvm/node_manager/pom.xml b/jvm/node_manager/pom.xml
index 929773535..108347b2c 100644
--- a/jvm/node_manager/pom.xml
+++ b/jvm/node_manager/pom.xml
@@ -6,7 +6,7 @@
         <artifactId>eggroll-all</artifactId>
         <groupId>org.fedai.eggroll</groupId>
         <relativePath>../pom.xml</relativePath>
-        <version>3.1.0</version>
+        <version>3.2.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <artifactId>node_manager</artifactId>
@@ -43,4 +43,4 @@
         </dependency>
     </dependencies>
 
-</project>
\ No newline at end of file
+</project>
diff --git a/jvm/pom.xml b/jvm/pom.xml
index 418686e36..02a428383 100644
--- a/jvm/pom.xml
+++ b/jvm/pom.xml
@@ -23,7 +23,7 @@
 
     <groupId>org.fedai.eggroll</groupId>
     <artifactId>eggroll-all</artifactId>
-    <version>3.1.0</version>
+    <version>3.2.0</version>
     <name>Eggroll Project</name>
 
     <licenses>
@@ -145,7 +145,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <properties>
-        <eggroll.version>3.1.0</eggroll.version>
+        <eggroll.version>3.2.0</eggroll.version>
 
         <!-- Languages -->
         <code.cache.size>512m</code.cache.size>
diff --git a/python/eggroll/__init__.py b/python/eggroll/__init__.py
index 056d9759a..9fafbbb80 100644
--- a/python/eggroll/__init__.py
+++ b/python/eggroll/__init__.py
@@ -14,7 +14,7 @@
 #  limitations under the License.
 #
 
-__version__ = "3.1.0"
+__version__ = "3.2.0"
 
 import os
 
diff --git a/python/setup.py b/python/setup.py
index 372fc51b7..b1ea252e5 100644
--- a/python/setup.py
+++ b/python/setup.py
@@ -43,7 +43,7 @@
 
 setup_kwargs = {
     "name": "eggroll",
-    "version": "3.1.0",
+    "version": "3.2.0",
     "description": "Python Side Client and Server for Eggroll",
     "long_description_content_type": "text/markdown",
     "long_description": "Python Side Client and Server for Eggroll",
diff --git a/requirements.txt b/requirements.txt
index 66d5ba774..88e020725 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,8 @@
 cloudpickle==2.1.0
 lmdb==1.3.0
 protobuf==4.24.4
-grpcio==1.59.3
-grpcio-tools==1.59.3
+grpcio==1.62.1
+grpcio-tools==1.62.1
 psutil>=5.7.0
 opentelemetry-api
 opentelemetry-sdk