diff --git a/pkgs/development/python-modules/yalexs/default.nix b/pkgs/development/python-modules/yalexs/default.nix
index 47a56b8f766e..775d3705b619 100644
--- a/pkgs/development/python-modules/yalexs/default.nix
+++ b/pkgs/development/python-modules/yalexs/default.nix
@@ -25,7 +25,7 @@
 
 buildPythonPackage rec {
   pname = "yalexs";
-  version = "8.12.0";
+  version = "9.0.1";
   pyproject = true;
 
   disabled = pythonOlder "3.9";
@@ -34,7 +34,7 @@ buildPythonPackage rec {
     owner = "bdraco";
     repo = "yalexs";
     tag = "v${version}";
-    hash = "sha256-wOJHeswtGy912repFKFMKAzmODssnNtsJpJZ+9wpqPI=";
+    hash = "sha256-ISrmOumxOmCpelHFdKGFsRVtvPP+Fys8Db0SPsxgHWs=";
   };
 
   build-system = [ poetry-core ];