diff --git a/requirements.txt b/requirements.txt
index a744c5b..d475d3b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -62,7 +62,7 @@ pickleshare==0.7.5
 plotly==4.4.1
 prometheus-client==0.7.1
 prompt-toolkit==3.0.2
-protobuf==3.11.2
+protobuf==3.18.3
 ptyprocess==0.6.0
 pyasn1==0.4.8
 pyasn1-modules==0.2.8