diff --git a/pkgs/by-name/ch/check-jsonschema/package.nix b/pkgs/by-name/ch/check-jsonschema/package.nix
index 7c5094242d40..f02be3672c94 100644
--- a/pkgs/by-name/ch/check-jsonschema/package.nix
+++ b/pkgs/by-name/ch/check-jsonschema/package.nix
@@ -8,7 +8,7 @@ with python3.pkgs;
 
 buildPythonApplication rec {
   pname = "check-jsonschema";
-  version = "0.29.4";
+  version = "0.30.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
@@ -16,8 +16,8 @@ buildPythonApplication rec {
   src = fetchFromGitHub {
     owner = "python-jsonschema";
     repo = "check-jsonschema";
-    rev = "refs/tags/${version}";
-    hash = "sha256-JSz8zwiOnX3nuKypffe0wZ7YoZ7uHH/lAoUgdKfkEO8=";
+    tag = version;
+    hash = "sha256-qaNSL7ZPEWJ8Zc/XPEWtUJYQnUJ7jNdla1I0d6+GReM=";
   };
 
   propagatedBuildInputs = [