diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8a7fc86..4888d01 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,9 +1,4 @@
-cmake_minimum_required(VERSION 3.5)
-
-# See https://cmake.org/cmake/help/latest/policy/CMP0077.html
-# This allows for setting option variables externally, when this project
-# is included in another CMake project.
-cmake_policy(SET CMP0077 NEW)
+cmake_minimum_required(VERSION 3.13)
 
 project(inja
         DESCRIPTION "Template engine for modern C++"