diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 19c0e4c..fc5ea64 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -22,6 +22,6 @@ jobs:
     - name: Install gepetuto and its dependencies
       run: python -m pip install -U pip && python -m pip install .
     - name: check with gepetuto
-      run: cd tests && gepetuto -vvca all
+      run: gepetuto -vvca all -C tests
     - name: run unit tests
       run: cd tests && python -m unittest
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7a78cc4..bf273c9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+- add directory argument
+
 ## [v1.1.1] - 2023-08-16
 
 - updated pre-commit hooks
diff --git a/gepetuto/main.py b/gepetuto/main.py
index 5dc1ba5..ad83af4 100644
--- a/gepetuto/main.py
+++ b/gepetuto/main.py
@@ -67,6 +67,12 @@ def parse_args(args=None) -> argparse.Namespace:
         action="store_true",
         help="check if linters change files.",
     )
+    parser.add_argument(
+        "-C",
+        "--directory",
+        default="",
+        help="choose directory to run action on.",
+    )
 
     args = parser.parse_args(args=args)
 
@@ -134,6 +140,9 @@ def get_files(args):
 def main():
     """Run command."""
     args = parse_args()
+    if args.directory:
+        os.chdir(args.directory)
+        args = parse_args()
     files = get_files(args)
     if args.action == "generate":
         generate(**vars(args))