diff --git a/requirements.txt b/requirements.txt
index b378200..6634d71 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -167,7 +167,7 @@ ply==3.11
 prometheus-client==0.7.1
 prompt-toolkit==2.0.10
 Protego==0.1.16
-protobuf==3.11.2
+protobuf==3.18.3
 psutil==5.6.3
 py==1.8.0
 pyasn1==0.4.8