diff --git a/tests/test_cargo_lock_update.py b/tests/test_cargo_lock_update.py
index 3ee5678..b8df238 100644
--- a/tests/test_cargo_lock_update.py
+++ b/tests/test_cargo_lock_update.py
@@ -14,7 +14,7 @@ def test_main(helpers: conftest.Helpers) -> None:
                 "--commit",
                 "cargoLock.update",
                 "--version",
-                "v0.0.255",
+                "v0.4.7",
             ]
         )
         subprocess.run(
@@ -39,6 +39,4 @@ def test_main(helpers: conftest.Helpers) -> None:
             check=True,
         ).stdout.strip()
         print(diff)
-        assert (
-            "https://github.com/charliermarsh/ruff/compare/v0.0.254...v0.0.255" in diff
-        )
+        assert "https://github.com/astral-sh/ruff/compare/v0.4.5...v0.4.7" in diff
diff --git a/tests/testpkgs/cargo-lock-update/default.nix b/tests/testpkgs/cargo-lock-update/default.nix
index cdeb25a..e684ecc 100644
--- a/tests/testpkgs/cargo-lock-update/default.nix
+++ b/tests/testpkgs/cargo-lock-update/default.nix
@@ -2,25 +2,19 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "ruff";
-  version = "0.0.254";
+  version = "0.4.5";
 
   src = fetchFromGitHub {
-    owner = "charliermarsh";
+    owner = "astral-sh";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-61Yw4YWolMZbi9nqDdkSH4UxIpPxUO4Aq44ABXZxMbU=";
+    hash = "sha256-+8JKzKKWPQEanU2mh8p5sRjnoU6DawTQQi43qRXVXIg=";
   };
 
   cargoLock = {
     lockFile = src + "/Cargo.lock";
     outputHashes = {
-      "libcst-0.1.0" = "sha256-jG9jYJP4reACkFLrQBWOYH6nbKniNyFVItD0cTZ+nW0=";
-      "libcst_derive-0.1.0" = "sha256-jG9jYJP4reACkFLrQBWOYH6nbKniNyFVItD0cTZ+nW0=";
-      "rustpython-ast-0.2.0" = "sha256-Q2PVP+noPvdjoe8OMzEZOHprSwvpu/rmMkllghnf/yI=";
-      "rustpython-common-0.2.0" = "sha256-Q2PVP+noPvdjoe8OMzEZOHprSwvpu/rmMkllghnf/yI=";
-      "rustpython-compiler-core-0.2.0" = "sha256-Q2PVP+noPvdjoe8OMzEZOHprSwvpu/rmMkllghnf/yI=";
-      "rustpython-parser-0.2.0" = "sha256-Q2PVP+noPvdjoe8OMzEZOHprSwvpu/rmMkllghnf/yI=";
-      "unicode_names2-0.6.0" = "sha256-eWg9+ISm/vztB0KIdjhq5il2ZnwGJQCleCYfznCI3Wg=";
+      "lsp-types-0.95.1" = "sha256-8Oh299exWXVi6A39pALOISNfp8XBya8z+KT/Z7suRxQ=";
     };
   };
 }