diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt
index 116f30026d..947759f793 100644
--- a/cpp/CMakeLists.txt
+++ b/cpp/CMakeLists.txt
@@ -52,7 +52,7 @@ if(MILVUS_VERSION_MAJOR STREQUAL ""
         OR MILVUS_VERSION_MINOR STREQUAL ""
         OR MILVUS_VERSION_PATCH STREQUAL "")
     message(WARNING "Failed to determine Milvus version from git branch name")
-    set(MILVUS_VERSION "0.3.0")
+    set(MILVUS_VERSION "0.3.1")
 endif()
 
 message(STATUS "Build version = ${MILVUS_VERSION}")