diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4f72917..8131ccb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@
 # cmake file for building KalFit libraries
 # @author Jan Engels, DESY
 # @author F. Gaede, DESY
-CMAKE_MINIMUM_REQUIRED( VERSION 2.6 FATAL_ERROR )
+CMAKE_MINIMUM_REQUIRED( VERSION 3.10 FATAL_ERROR )
 ########################################################