diff --git a/pkgs/by-name/sp/spectre-cli/package.nix b/pkgs/by-name/sp/spectre-cli/package.nix
index bafb0a70f6ca..9999de9b1111 100644
--- a/pkgs/by-name/sp/spectre-cli/package.nix
+++ b/pkgs/by-name/sp/spectre-cli/package.nix
@@ -35,6 +35,7 @@ stdenv.mkDerivation rec {
   ];
 
   cmakeFlags = [
+    "-DCMAKE_POLICY_VERSION_MINIMUM=3.5"
     "-DBUILD_SPECTRE_TESTS=ON"
   ];