diff --git a/requirements.txt b/requirements.txt
index 0e4effe..cc8f332 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ opencv-python==3.4.2.17
 pafy==0.5.4
 pandas==0.23.4
 Pillow==5.2.0
-protobuf==3.6.1
+protobuf==3.18.3
 psycopg2==2.7.5
 pyparsing==2.3.0
 python-dateutil==2.7.5