diff --git a/CMakeLists.txt b/CMakeLists.txt
index ef9ee21..34f7225 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,11 +24,11 @@ IF(NOT TARGET cppzmq)
   add_subdirectory(libs/cppzmq EXCLUDE_FROM_ALL)
 ENDIF()
 
-
 IF(NOT TARGET protobuf)
 set(ABSL_PROPAGATE_CXX_STD ON CACHE INTERNAL "")
 set(protobuf_BUILD_TESTS OFF CACHE INTERNAL "")
 set(protobuf_BUILD_EXAMPLES OFF CACHE INTERNAL "")
+set(protobuf_BUILD_SHARED_LIBS OFF CACHE INTERNAL "")
 add_subdirectory(libs/protobuf )
 include(protobuf)
 ENDIF()