diff --git a/requirements.txt b/requirements.txt
index 973a16c..13c74f7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ oauthlib==3.1.0
 opencv-python==4.5.1.48
 opt-einsum==3.3.0
 Pillow==8.1.0
-protobuf==3.14.0
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 PyYAML==5.4.1