diff --git a/notebooks/unit4/requirements-unit4.txt b/notebooks/unit4/requirements-unit4.txt
index 1ec7bfe..946e9aa 100644
--- a/notebooks/unit4/requirements-unit4.txt
+++ b/notebooks/unit4/requirements-unit4.txt
@@ -1,5 +1,5 @@
 git+https://github.com/ntasfi/PyGame-Learning-Environment.git
-git+https://github.com/qlan3/gym-games.git
+git+https://github.com/simoninithomas/gym-games
 huggingface_hub
 imageio-ffmpeg
 pyyaml==6.0