diff --git a/pkgs/development/python-modules/async-tkinter-loop/default.nix b/pkgs/development/python-modules/async-tkinter-loop/default.nix
index bb00fbcde53..2bc90494ccf 100644
--- a/pkgs/development/python-modules/async-tkinter-loop/default.nix
+++ b/pkgs/development/python-modules/async-tkinter-loop/default.nix
@@ -10,13 +10,13 @@
 
 buildPythonPackage rec {
   pname = "async-tkinter-loop";
-  version = "0.8.1";
+  version = "0.9.1";
   format = "pyproject";
 
   src = fetchPypi {
     inherit version;
     pname = "async_tkinter_loop";
-    hash = "sha256-+9AvnYIZMWCbpCEKdbIadyU8zgyUlW/fRYYyDOxAzeg=";
+    hash = "sha256-Phxx9RovjU5JOonMt7Zhum0/BGRS5OLRAkLTl4L/BW4=";
   };
 
   nativeBuildInputs = [