diff --git a/CMakeLists.txt b/CMakeLists.txt
index 27f747a..a02d312 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -58,7 +58,6 @@ 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)