diff --git a/CMakeLists.txt b/CMakeLists.txt
index e713c1b..ec07e26 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,7 +28,7 @@ add_custom_command(
 include_directories("${CMAKE_CURRENT_BINARY_DIR}")
 
 # plg_grpc_proto
-add_library(plg_grpc_proto
+add_library(plg_grpc_proto STATIC
   ${plg_grpc_srcs}
   ${plg_grpc_hdrs}
   ${plg_proto_srcs}