diff --git a/notebooks/unit2/requirements-unit2.txt b/notebooks/unit2/requirements-unit2.txt
index 733afc8..995b24b 100644
--- a/notebooks/unit2/requirements-unit2.txt
+++ b/notebooks/unit2/requirements-unit2.txt
@@ -8,3 +8,4 @@ pyyaml==6.0
 imageio
 imageio_ffmpeg
 pyglet==1.5.1
+tqdm