diff --git a/requirements.txt b/requirements.txt
index 8380e4e..549903f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ opencv-python==3.4.1.15
 pandas==0.23.0
 Pillow==5.1.0
 prettytable==0.7.2
-protobuf==3.6.1
+protobuf==3.18.3
 pysha3==1.0.2
 python-dateutil==2.7.3
 python-dotenv==0.8.2