diff --git a/pkgs/by-name/ch/check-jsonschema/package.nix b/pkgs/by-name/ch/check-jsonschema/package.nix
index 25125b41b6b5..0b373d686e8e 100644
--- a/pkgs/by-name/ch/check-jsonschema/package.nix
+++ b/pkgs/by-name/ch/check-jsonschema/package.nix
@@ -4,7 +4,7 @@ with python3.pkgs;
 
 buildPythonApplication rec {
   pname = "check-jsonschema";
-  version = "0.29.2";
+  version = "0.29.4";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -13,7 +13,7 @@ buildPythonApplication rec {
     owner = "python-jsonschema";
     repo = "check-jsonschema";
     rev = "refs/tags/${version}";
-    hash = "sha256-Z/v/a0zENH8K1NHCZViLBbc8gma5rTMBm8hatHhu878=";
+    hash = "sha256-JSz8zwiOnX3nuKypffe0wZ7YoZ7uHH/lAoUgdKfkEO8=";
   };
 
   propagatedBuildInputs = [