diff --git a/environment.yml b/environment.yml
index 9817150..244fd84 100644
--- a/environment.yml
+++ b/environment.yml
@@ -14,6 +14,7 @@ dependencies:
   - pytorch::pytorch >=1.4.0
   - cudatoolkit
   - cudnn
+  - ffmpeg
   - pytorch::cuda100
   - matplotlib
   - git