diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 19fb20583cc6..2c025d341ec0 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -30417,6 +30417,8 @@ in {
       sha256 = "08n7vxdbsl0637b1ap2x3rg698d2as0wzvvpx05dzkrdgsgxrx3g";
     };
 
+    propagatedBuildInputs = with self; [ backports_functools_lru_cache ];
+
     doCheck = false;
 
     buildInputs = with self; [ setuptools_scm ];