diff --git a/pkgs/applications/networking/instant-messengers/gajim/default.nix b/pkgs/applications/networking/instant-messengers/gajim/default.nix
index fa61876bf16..b1dfee8fa90 100644
--- a/pkgs/applications/networking/instant-messengers/gajim/default.nix
+++ b/pkgs/applications/networking/instant-messengers/gajim/default.nix
@@ -59,6 +59,7 @@ stdenv.mkDerivation rec {
     pythonPackages.pyxdg
     pythonPackages.nbxmpp
     pythonPackages.pyopenssl pythonDBus
+    pythonPackages.python-axolotl
   ] ++ optionals enableJingle [ farstream gst_plugins_bad libnice ]
     ++ optional enableE2E pythonPackages.pycrypto
     ++ optional enableRST pythonPackages.docutils