diff --git a/requirements.txt b/requirements.txt
index 8104b83..c017054 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ parso==0.4.0
 pickleshare==0.7.5
 prometheus-client==0.6.0
 prompt-toolkit==2.0.9
-protobuf==3.7.1
+protobuf==3.18.3
 pyglet==1.3.2
 Pygments==2.4.0
 pyparsing==2.4.0