diff --git a/requirements.txt b/requirements.txt
index df7985d..16d1df9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ oauthlib==3.1.0
 opencv-python==4.2.0.34
 opt-einsum==3.2.1
 Pillow==7.1.2
-protobuf==3.11.3
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 PyAutoGUI==0.9.50