diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8510b86..783616d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,7 +14,7 @@ if( "${CMAKE_CURRENT_SOURCE_DIR}" STREQUAL "${CMAKE_SOURCE_DIR}" )
 
 ##### general package setup #####################
 
-  cmake_minimum_required( VERSION 3.1 )
+  cmake_minimum_required( VERSION 3.5 )
   project( tde-cmake-rules )