diff --git a/pkgs/development/python-modules/xapp/default.nix b/pkgs/development/python-modules/xapp/default.nix
index c1f1973957de..4f45ab5a5408 100644
--- a/pkgs/development/python-modules/xapp/default.nix
+++ b/pkgs/development/python-modules/xapp/default.nix
@@ -16,7 +16,7 @@
 
 buildPythonPackage rec {
   pname = "xapp";
-  version = "22";
+  version = "21";
 
   format = "other";
 
@@ -24,7 +24,7 @@ buildPythonPackage rec {
     owner = "linuxmint";
     repo = "python-xapp";
     rev = "refs/tags/master.mint${version}";
-    hash = "sha256-2Gx85y0ARu6EfDYAT9ZL154RH0R1HY78tm3rceODnZU=";
+    hash = "sha256-Kvhp+biZ+KK9FYma/8cUEaQCHPKMLjOO909kbyMLQ3o=";
   };
 
   nativeBuildInputs = [