diff --git a/requirements.txt b/requirements.txt
index 85b7ed4..5e68fc2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ opencv-python==4.1.0.25
 pandas==0.24.2
 pbr==5.2.0
 Pillow==5.2.0
-protobuf==3.7.1
+protobuf==3.18.3
 python-dateutil==2.8.0
 pytz==2019.1
 PyYAML==3.12