diff --git a/pkgs/development/python-modules/slixmpp/default.nix b/pkgs/development/python-modules/slixmpp/default.nix
index f297951a08b1..ee478927da57 100644
--- a/pkgs/development/python-modules/slixmpp/default.nix
+++ b/pkgs/development/python-modules/slixmpp/default.nix
@@ -13,19 +13,16 @@
   pytestCheckHook,
   replaceVars,
   rustPlatform,
-  pythonOlder,
 }:
 
 buildPythonPackage rec {
   pname = "slixmpp";
-  version = "1.11.0";
+  version = "1.12.0";
   pyproject = true;
 
-  disabled = pythonOlder "3.9";
-
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-hQxfOxlkpQdCWlGSdotZY6eHkJr6M3xkkRv4bR0urPM=";
+    hash = "sha256-dGn23K9XQv1i4OZu5EfFM4p0UgwZgqcHhOe3kN7y/dU=";
   };
 
   patches = [
@@ -41,7 +38,7 @@ buildPythonPackage rec {
 
   cargoDeps = rustPlatform.fetchCargoVendor {
     inherit pname src;
-    hash = "sha256-z0X9s36n1p31boxoe6Er0Ieirinaehoucsi89oDAS0c=";
+    hash = "sha256-eKXQeZ2RLHsTZmYszws4fCHgeiSO9wsrRbPkVV1gqZY=";
   };
 
   dependencies = [