diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index c146ea70b2c6..696f8ad7c862 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -14967,12 +14967,12 @@ in {
   };
 
   nbxmpp = buildPythonPackage rec {
-    name = "nbxmpp-0.5.3";
+    name = "nbxmpp-${version}";
+    version = "0.5.5";
 
     src = pkgs.fetchurl {
-      name = "${name}.tar.gz";
-      url = "https://python-nbxmpp.gajim.org/downloads/8";
-      sha256 = "0dcr786dyips1fdvgsn8yvpgcz5j7217fi05c29cfypdl8jnp6mp";
+      url = "mirror://pypi/n/nbxmpp/${name}.tar.gz";
+      sha256 = "1gnzrzrdl4nii1sc5x8p5iw2ya5sl70j3nn34abqsny51p2pzmv6";
     };
 
     meta = {