diff --git a/CMakeLists.txt b/CMakeLists.txt
index e6dd563..e679164 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,7 +17,7 @@
 # under the License.
 #
 
-cmake_minimum_required(VERSION 3.3)
+cmake_minimum_required(VERSION 3.4)
 
 if(POLICY CMP0048)
   cmake_policy(SET CMP0048 NEW)  # package version behavior added in cmake 3.0