diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index bfccc347cad..bee03724711 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -11879,7 +11879,7 @@ in modules // {
       sha256 = "030ca7e71cbb7e17fb48f83db97779fdbac0b4424cef01245f3276a110b30a6c";
     };
 
-    propagatedBuildInputs = with self ; [ aiodns pyasn1 pkgs.gnupg1];
+    propagatedBuildInputs = with self ; [ aiodns pyasn1 pkgs.gnupg1 pyasn1-modules];
 
     meta = {
       meta = "Elegant Python library for XMPP";