diff --git a/CMakeLists.txt b/CMakeLists.txt
index 62b56b1..5765fd6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,7 +31,6 @@ message(STATUS "\n\n-- ====== Finding Dependencies ======")
 # Find Protobuf
 set(REQ_PROTOBUF_VER 3)
 ign_find_package(IgnProtobuf
-                 VERSION ${REQ_PROTOBUF_VER}
                  REQUIRED
                  COMPONENTS all
                  PRETTY Protobuf)