diff --git a/CMakeLists.txt b/CMakeLists.txt
index 83e40363c..251ce2e87 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,12 @@
 CMAKE_MINIMUM_REQUIRED(VERSION 3.2)
+
+IF(POLICY CMP0066)
+  CMAKE_POLICY(SET CMP0066 OLD)
+ENDIF()
+IF(POLICY CMP0067)
+  CMAKE_POLICY(SET CMP0067 OLD)
+ENDIF()
+
 PROJECT(fish-shell CXX)
 
 # We are C++11.