diff --git a/requirements.txt b/requirements.txt
index d0755e8..ad38dbd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,3 +5,4 @@ mediapipe>=0.8.7.1
 inotify_simple>=1.2
 cmapy>=0.6.6
 ConfigArgParse>=1.5.0,==1.5.*
+protobuf==3.20.1