diff --git a/pkgs/development/python-modules/pycaption/default.nix b/pkgs/development/python-modules/pycaption/default.nix
index 71b0e8dcc957..b74440c8f4c7 100644
--- a/pkgs/development/python-modules/pycaption/default.nix
+++ b/pkgs/development/python-modules/pycaption/default.nix
@@ -11,16 +11,16 @@
   pytestCheckHook,
 }:
 
-buildPythonPackage rec {
+buildPythonPackage (finalAttrs: {
   pname = "pycaption";
-  version = "2.2.22";
+  version = "2.2.23";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pbs";
     repo = "pycaption";
-    tag = version;
-    hash = "sha256-EHw4Ev5AyFvinZtN0NZPl+Egs6KQ9/OzDHZf+mhqztc=";
+    tag = finalAttrs.version;
+    hash = "sha256-7U2TgjEgRYiDW0xkTRm4eyU3yHBqnfLqEw7/ZgdGJsI=";
   };
 
   build-system = [ setuptools ];
@@ -41,10 +41,10 @@ buildPythonPackage rec {
   ];
 
   meta = {
-    changelog = "https://github.com/pbs/pycaption/blob/${src.tag}/docs/changelog.rst";
+    changelog = "https://github.com/pbs/pycaption/blob/${finalAttrs.src.tag}/docs/changelog.rst";
     description = "Closed caption converter";
     homepage = "https://github.com/pbs/pycaption";
     license = lib.licenses.asl20;
     maintainers = with lib.maintainers; [ dotlambda ];
   };
-}
+})