diff --git a/CMakeLists.txt b/CMakeLists.txt
index bbd35bd..b7bea98 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,6 +4,7 @@ project(kuriborosu)
 set(CMAKE_POLICY_DEFAULT_CMP0025 NEW)
 set(CMAKE_POLICY_DEFAULT_CMP0063 NEW)
 set(CMAKE_POLICY_DEFAULT_CMP0069 NEW)
+set(CMAKE_POLICY_DEFAULT_CMP0126 NEW)
 
 set(CMAKE_C_STANDARD 11)
 set(CMAKE_CXX_STANDARD 11)