diff --git a/pkgs/development/python-modules/bravado-core/default.nix b/pkgs/development/python-modules/bravado-core/default.nix
index f58f42a9670f..eb0e03653e59 100644
--- a/pkgs/development/python-modules/bravado-core/default.nix
+++ b/pkgs/development/python-modules/bravado-core/default.nix
@@ -1,4 +1,5 @@
 { lib
+, stdenv
 , buildPythonPackage
 , fetchFromGitHub
 , fqdn