diff --git a/README.md b/README.md
index 4a74b2bfcb40ca4f1931461beb18cd9542321a1a..e00c840f47bc1153aefe2d9b5bb41348d49d78be 100644
--- a/README.md
+++ b/README.md
@@ -108,6 +108,7 @@ Stable-Baselines3 (SB3) is a high-level RL library that provides various algorit
 
 ```sh
 pip install stable-baselines3
+pip install moviepy
 ```
 
 #### Usage