diff --git a/cmake/GameNetworkingSocketsConfig.cmake.in b/cmake/GameNetworkingSocketsConfig.cmake.in
index 1a27988..5076a6e 100644
--- a/cmake/GameNetworkingSocketsConfig.cmake.in
+++ b/cmake/GameNetworkingSocketsConfig.cmake.in
@@ -3,6 +3,7 @@
 include(CMakeFindDependencyMacro)
 
 find_dependency(Threads)
+find_dependency(Protobuf)
 
 if(@USE_CRYPTO@ STREQUAL "OpenSSL")
     find_dependency(OpenSSL)