diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1a2c5f17b..dd379005a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -386,7 +386,7 @@ endif()
 
 set(CPACK_PACKAGE_NAME "GmSSL")
 set(CPACK_PACKAGE_VENDOR "GmSSL develop team")
-set(CPACK_PACKAGE_VERSION "3.1.1-Dev")
+set(CPACK_PACKAGE_VERSION "3.1.1-PR1")
 
 set(CPACK_RPM_PACKAGE_GROUP "GmSSL Group")
 set(CPACK_PACKAGE_VENDOR "GmSSL Vendor")
diff --git a/include/gmssl/version.h b/include/gmssl/version.h
index 8eb37082a..71ac63ba7 100644
--- a/include/gmssl/version.h
+++ b/include/gmssl/version.h
@@ -18,15 +18,10 @@
 extern "C" {
 #endif
 
-/*
-Version Public API
-
-	gmssl_version_num
-	gmssl_version_str
-*/
 
+// Also update CPACK_PACKAGE_VERSION in CMakeLists.txt
 #define GMSSL_VERSION_NUM	30101
-#define GMSSL_VERSION_STR	"GmSSL 3.1.1 Dev"
+#define GMSSL_VERSION_STR	"GmSSL 3.1.1 PR1"
 
 _gmssl_export int gmssl_version_num(void);
 _gmssl_export const char *gmssl_version_str(void);