diff --git a/requirements.txt b/requirements.txt
index e283cb9..976c5b5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ opencv-python==4.2.0.32
 opt-einsum==3.1.0
 pandas==1.0.1
 pillow==8.1.1
-protobuf==3.11.3
+protobuf==3.18.3
 pyasn1-modules==0.2.8
 pyasn1==0.4.8
 pyautogui==0.9.48