diff --git a/requirements.txt b/requirements.txt
index 4c4de38..0f6e1bf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ oauthlib==3.1.1
 opencv-python==4.5.3.56
 packaging==21.0
 Pillow==8.3.1
-protobuf==3.17.3
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pyDeprecate==0.3.0