diff --git a/pypi_requirements.txt b/pypi_requirements.txt
index 97f553112..6e482feea 100644
--- a/pypi_requirements.txt
+++ b/pypi_requirements.txt
@@ -7,6 +7,8 @@
 attrs>=21.2.0,<=21.4.0
 cattrs==1.1.1
 # certifi>=2017.4.17,<=2021.10.8
+imageio
+imageio-ffmpeg
 jsmin
 jsonpickle==1.2
 networkx