diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index cf0140a25d3..247955e9765 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -8163,12 +8163,12 @@ let
   };
 
   nbxmpp = buildPythonPackage rec {
-    name = "nbxmpp-0.5.2";
+    name = "nbxmpp-0.5.3";
 
     src = pkgs.fetchurl {
       name = "${name}.tar.gz";
-      url = "https://python-nbxmpp.gajim.org/downloads/7";
-      sha256 = "0q2iph07aahwn6hlr38v0cvzlfc9hrf5mz6qs1kp4b4x9l8x5mqn";
+      url = "https://python-nbxmpp.gajim.org/downloads/8";
+      sha256 = "0dcr786dyips1fdvgsn8yvpgcz5j7217fi05c29cfypdl8jnp6mp";
     };
 
     meta = {