diff --git a/requirements.txt b/requirements.txt
index fea3754..6ecda3c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -57,7 +57,7 @@ parso==0.6.2
 pickleshare==0.7.5
 prometheus-client==0.7.1
 prompt-toolkit==3.0.5
-protobuf==3.11.3
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 Pygments==2.6.1