diff --git a/pkgs/development/python-modules/requests/default.nix b/pkgs/development/python-modules/requests/default.nix
index 44c5b7331d61..8ba7aef46074 100644
--- a/pkgs/development/python-modules/requests/default.nix
+++ b/pkgs/development/python-modules/requests/default.nix
@@ -39,12 +39,12 @@ buildPythonPackage rec {
     certifi
     idna
     urllib3
+    chardet
   ] ++ lib.optionals (isPy3k) [
     brotlicffi
     charset-normalizer
   ] ++ lib.optionals (isPy27) [
     brotli
-    chardet
   ];
 
   checkInputs = [