diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1a76174e..54b61978 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,7 +9,7 @@
 #
 #################################################
 
-cmake_minimum_required( VERSION 3.1 )
+cmake_minimum_required( VERSION 3.5 )
 
 
 ##### general package setup #####################
diff --git a/template/commonCMakeLists.txt b/template/commonCMakeLists.txt
index b628bf05..72471757 100644
--- a/template/commonCMakeLists.txt
+++ b/template/commonCMakeLists.txt
@@ -12,7 +12,7 @@
 #
 #################################################
 
-cmake_minimum_required( VERSION 3.1 )
+cmake_minimum_required( VERSION 3.5 )
 
 
 ##### general package setup #####################