diff --git a/pkgs/development/python-modules/sphinx/default.nix b/pkgs/development/python-modules/sphinx/default.nix
index e4a3c94711f..9ce0015cdf8 100644
--- a/pkgs/development/python-modules/sphinx/default.nix
+++ b/pkgs/development/python-modules/sphinx/default.nix
@@ -28,6 +28,7 @@
 , sphinxcontrib-websupport
 , typing
 , setuptools
+, packaging
 }:
 
 buildPythonPackage rec {
@@ -52,6 +53,7 @@ buildPythonPackage rec {
     pygments
     alabaster
     Babel
+    packaging
     setuptools
     snowballstemmer
     six