diff --git a/README.md b/README.md
index c5f182fa9..5ad74a555 100644
--- a/README.md
+++ b/README.md
@@ -414,6 +414,7 @@ https://opengauss.org/zh/
 | 2.1.0  |   https://opengauss.obs.cn-south-1.myhuaweicloud.com/2.1.0/openGauss-third_party_binarylibs.tar.gz    |
 | 3.0.0  |    https://opengauss.obs.cn-south-1.myhuaweicloud.com/3.0.0/openGauss-third_party_binarylibs.tar.gz   |
 | 3.1.0  |    **openEuler_arm:** https://opengauss.obs.cn-south-1.myhuaweicloud.com/latest/binarylibs/openGauss-third_party_binarylibs_openEuler_arm.tar.gz <br/> **openEuler_x86:** https://opengauss.obs.cn-south-1.myhuaweicloud.com/latest/binarylibs/openGauss-third_party_binarylibs_openEuler_x86_64.tar.gz<br/> **Centos_x86:** https://opengauss.obs.cn-south-1.myhuaweicloud.com/latest/binarylibs/openGauss-third_party_binarylibs_Centos7.6_x86_64.tar.gz   |
+| 3.1.1 |    **openEuler_arm:** https://opengauss.obs.cn-south-1.myhuaweicloud.com/3.1.1/binarylibs/openGauss-third_party_binarylibs_openEuler_arm.tar.gz <br/> **openEuler_x86:** https://opengauss.obs.cn-south-1.myhuaweicloud.com/3.1.1/binarylibs/openGauss-third_party_binarylibs_openEuler_x86_64.tar.gz<br/> **Centos_x86:** https://opengauss.obs.cn-south-1.myhuaweicloud.com/3.1.1/binarylibs/openGauss-third_party_binarylibs_Centos7.6_x86_64.tar.gz   |
 | master |    **openEuler_arm:** https://opengauss.obs.cn-south-1.myhuaweicloud.com/latest/binarylibs/openGauss-third_party_binarylibs_openEuler_arm.tar.gz <br/> **openEuler_x86:** https://opengauss.obs.cn-south-1.myhuaweicloud.com/latest/binarylibs/openGauss-third_party_binarylibs_openEuler_x86_64.tar.gz<br/> **Centos_x86:** https://opengauss.obs.cn-south-1.myhuaweicloud.com/latest/binarylibs/openGauss-third_party_binarylibs_Centos7.6_x86_64.tar.gz   |
 
 现在我们已经拥有完整的openGauss代码，把它存储在以下目录中（以sda为例）。
diff --git a/build/script/aarch64_lite_list b/build/script/aarch64_lite_list
index 0f7f51ca0..86825fd04 100644
--- a/build/script/aarch64_lite_list
+++ b/build/script/aarch64_lite_list
@@ -904,4 +904,4 @@
 ./include/pqcomm.h
 ./include/pqexpbuffer.h
 [version]
-3.1.0
+3.1.1
diff --git a/build/script/gaussdb.ver b/build/script/gaussdb.ver
index 8432747e3..6031ae7dc 100644
--- a/build/script/gaussdb.ver
+++ b/build/script/gaussdb.ver
@@ -1,2 +1,2 @@
 PRODUCT=openGauss
-VERSION=3.1.0
\ No newline at end of file
+VERSION=3.1.1
\ No newline at end of file
diff --git a/build/script/x86_64_lite_list b/build/script/x86_64_lite_list
index 1921e4f24..1b0a88128 100644
--- a/build/script/x86_64_lite_list
+++ b/build/script/x86_64_lite_list
@@ -903,4 +903,4 @@
 ./include/pqcomm.h
 ./include/pqexpbuffer.h
 [version]
-3.1.0
+3.1.1
diff --git a/cmake/src/build_function.cmake b/cmake/src/build_function.cmake
index eb6e837f4..04c5f5e26 100755
--- a/cmake/src/build_function.cmake
+++ b/cmake/src/build_function.cmake
@@ -198,7 +198,7 @@ ENDMACRO(CHECK_CC_ENABLE)
 
 function(GET_VERSIONSTR_FROMGIT ret)
     set(PG_VERSION "9.2.4")
-    set(OPENGAUSS_VERSION "3.1.0")
+    set(OPENGAUSS_VERSION "3.1.1")
     execute_process(
         COMMAND ${CMAKE_SOURCE_DIR}/${openGauss}/cmake/src/buildfunction.sh --s ${PROJECT_TRUNK_DIR} OUTPUT_VARIABLE GS_VERSION_STR)
     set(PG_VERSION "${PG_VERSION}" PARENT_SCOPE)
diff --git a/cmake/src/config-in/pg_config.h.in b/cmake/src/config-in/pg_config.h.in
index 0ab50738b..b4e7e82fd 100755
--- a/cmake/src/config-in/pg_config.h.in
+++ b/cmake/src/config-in/pg_config.h.in
@@ -714,7 +714,7 @@
 #define PGXC_VERSION_NUM 
 
 /* openGauss version as a number string */
-#define OPENGAUSS_VERSION_NUM_STR "3.1.0" 
+#define OPENGAUSS_VERSION_NUM_STR "3.1.1" 
 
 /* A string containing the version number, platform, and C compiler */
 #define PG_VERSION_STR "@PG_VERSION_STR@"
diff --git a/cmake/src/config-in/pg_config_nocheck.h.in b/cmake/src/config-in/pg_config_nocheck.h.in
index 3d54679ce..f3c0dfda8 100755
--- a/cmake/src/config-in/pg_config_nocheck.h.in
+++ b/cmake/src/config-in/pg_config_nocheck.h.in
@@ -695,7 +695,7 @@
 #define PG_VERSION "9.2.4"
 
 /* openGauss version as a string */
-#define OPENGAUSS_VERSION "3.1.0"
+#define OPENGAUSS_VERSION "3.1.1"
 
 /* Gaussdb version as a string*/
 #define DEF_GS_VERSION "(GaussDB A 8.0.0 build 21f07aff) compiled at 2020-03-17 10:59:07 commit 7431 last mr 12039 debug"
diff --git a/configure b/configure
index 7d9f7744d..22009e034 100755
--- a/configure
+++ b/configure
@@ -2195,7 +2195,7 @@ PACKAGE_VERSION='9.2.4'
 # Postgres-XC 1.1devel is based on PostgreSQL 9.2.4
 PACKAGE_XC_VERSION='1.1'
 # openGauss is based on PostgreSQL 9.2.4 and it will be the Kernel of GaussDB database
-OPENGAUSS_VERSION='3.1.0'
+OPENGAUSS_VERSION='3.1.1'
 
 cat >>confdefs.h <<_ACEOF
 #define PG_VERSION "$PACKAGE_VERSION"
diff --git a/src/bin/gs_plan_simulator/gs_plan_simulator.sh b/src/bin/gs_plan_simulator/gs_plan_simulator.sh
index ebf71313a..c4b064bd5 100755
--- a/src/bin/gs_plan_simulator/gs_plan_simulator.sh
+++ b/src/bin/gs_plan_simulator/gs_plan_simulator.sh
@@ -88,7 +88,7 @@ function logo()
 	echo " | |    | | (_| | | | |  ____) | | | | | | | |_| | | (_| | || (_) | |     " 
 	echo " |_|    |_|\__,_|_| |_| |_____/|_|_| |_| |_|\__,_|_|\__,_|\__|___/|_|     "
 	echo "                                                                          "
-	echo "                                                 Version 3.1.0"
+	echo "                                                 Version 3.1.1"
 	echo "--------------------------------------------------------------------------"
 }
 
diff --git a/src/bin/pg_config/pg_config.cpp b/src/bin/pg_config/pg_config.cpp
index 6ded8b53f..76e3ea569 100644
--- a/src/bin/pg_config/pg_config.cpp
+++ b/src/bin/pg_config/pg_config.cpp
@@ -297,7 +297,7 @@ static void show_version(int alls)
     if (alls) {
 	printf("OPENGAUSS_VERSION = ");
     }
-    printf("openGauss 3.1.0\n");
+    printf("openGauss 3.1.1\n");
 #endif
 }