diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4e13e6c..c530ede 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,8 @@
 cmake_minimum_required(VERSION 3.5)
 project(lomiri-url-dispatcher VERSION 0.1.3 LANGUAGES C CXX)
 
+cmake_policy(SET CMP0153 OLD)
+
 string(TOLOWER "${CMAKE_BUILD_TYPE}" cmake_build_type_lower) # Build types should always be lowercase but sometimes they are not.
 
 if ("${cmake_build_type_lower}" STREQUAL "debug")