diff --git a/cmake/generate-cpp.cmake b/cmake/generate-cpp.cmake
index 2ff0c89bda45deec7d11cefb6de57aeb495f21b5..ed78d912ce4449120dd97386d72b24009703f8cd 100644
--- a/cmake/generate-cpp.cmake
+++ b/cmake/generate-cpp.cmake
@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 2.8.11)
+cmake_minimum_required (VERSION 3.2)
 
 # generate nlopt.hpp from nlopt-in.hpp
 file (WRITE ${CMAKE_CURRENT_BINARY_DIR}/nlopt.hpp "")
diff --git a/cmake/generate-fortran.cmake b/cmake/generate-fortran.cmake
index ff8ffed1d6aa9609f32c2133036f35eab437459a..48663ae2a1227eec9400a59a572be2bcc5094dd0 100644
--- a/cmake/generate-fortran.cmake
+++ b/cmake/generate-fortran.cmake
@@ -1,4 +1,4 @@
-cmake_minimum_required (VERSION 2.8.11)
+cmake_minimum_required (VERSION 3.2)
 
 # generate nlopt.f from nlopt.h enums
 file (WRITE ${CMAKE_CURRENT_BINARY_DIR}/nlopt.f "")