diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4e24a36..bd3bbdc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 # Set  the minimum  required version  of cmake  for a  project.
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 3.5)
 
 # Add an executable to the project using the specified source files.
 add_executable(tetgen tetgen.cxx predicates.cxx)
@@ -11,4 +11,4 @@ add_library(tet STATIC tetgen.cxx predicates.cxx)
 #Set properties on a target. 
 #We use this here to set -DTETLIBRARY for when compiling the
 #library
-set_target_properties(tet PROPERTIES "COMPILE_DEFINITIONS" TETLIBRARY)
\ No newline at end of file
+set_target_properties(tet PROPERTIES "COMPILE_DEFINITIONS" TETLIBRARY)