diff --git a/requirements.txt b/requirements.txt
index 92501047..1905da45 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ opencv-python==4.2.0.32
 opt-einsum==3.1.0
 pandas==1.0.1
 Pillow==7.0.0
-protobuf==3.11.3
+protobuf==3.18.3
 pyglet==1.5.0
 pyparsing==2.4.6
 python-dateutil==2.8.1