diff --git a/requirements.txt b/requirements.txt
index b3d059b..a7c95c6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ oauthlib==3.1.0
 opencv-python==4.2.0.32
 opencv-python-headless==4.2.0.32
 Pillow==9.0.1
-protobuf==3.15.0
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pyparsing==2.4.6