diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 84b3f15fe50f..12b3bc4fdad4 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -8977,7 +8977,7 @@ in modules // {
     };
   };
 
-  futures_2_2 = self.futures.override {
+  futures_2_2 = self.futures.override rec {
     version = "2.2.0";
     name = "futures-${version}";