diff --git a/action.yml b/action.yml
index 18b0d9d..e4a98bc 100644
--- a/action.yml
+++ b/action.yml
@@ -1,6 +1,10 @@
 name: 'Skript Tests'
 description: 'Runs Skript tests'
 inputs:
+  skript_repo_url:
+    description: "Git repository URL for Skript"
+    required: false
+    default: "https://github.com/SkriptLang/Skript.git"
   test_script_directory:
     description: 'The directory containing the tests to run'
     required: true
diff --git a/run-tests.py b/run-tests.py
index 9c39f96..93ea67b 100644
--- a/run-tests.py
+++ b/run-tests.py
@@ -23,7 +23,10 @@ class EnvironmentResource(TypedDict):
 test_script_directory = github_workspace_directory / os.environ['INPUT_TEST_SCRIPT_DIRECTORY']
 skript_repo_ref = os.environ.get("INPUT_SKRIPT_REPO_REF", None)
 run_vanilla_tests = os.environ.get("INPUT_RUN_VANILLA_TESTS", None) == "true"
-skript_repo_git_url = "https://github.com/SkriptLang/Skript.git"
+skript_repo_git_url = os.environ.get(
+    "INPUT_SKRIPT_REPO_URL",
+    "https://github.com/SkriptLang/Skript.git"
+)
 skript_repo_path = Path("/skript")
 skript_test_directory = skript_repo_path / "src" / "test" / "skript" / "tests"
 custom_test_directory = skript_test_directory / "custom"