diff --git a/deps/Makefile b/deps/Makefile
index 0354e0c..c53e998 100644
--- a/deps/Makefile
+++ b/deps/Makefile
@@ -57,6 +57,7 @@ SPACE +=
 CMAKE  = cmake
 CMAKE += -DCMAKE_INSTALL_LIBDIR=lib
 CMAKE += -DCMAKE_INSTALL_PREFIX='$(RACK_DEP_PATH)'
+CMAKE += -DCMAKE_POLICY_VERSION_MINIMUM=3.5
 CMAKE += -DBUILD_SHARED_LIBS=OFF
 
 # make sure debug/release matches