diff --git a/pkgs/applications/audio/mopidy/mopidy.nix b/pkgs/applications/audio/mopidy/mopidy.nix
index ae65d9b2f6ed..28216020b78a 100644
--- a/pkgs/applications/audio/mopidy/mopidy.nix
+++ b/pkgs/applications/audio/mopidy/mopidy.nix
@@ -21,7 +21,7 @@ pythonPackages.buildPythonApplication rec {
   ];
 
   propagatedBuildInputs = with pythonPackages; [
-    gst-python pygobject3 pykka tornado_4 requests setuptools
+    gst-python pygobject3 pykka tornado requests setuptools
   ] ++ stdenv.lib.optional (!stdenv.isDarwin) dbus-python;
 
   # There are no tests