diff --git a/requirements.txt b/requirements.txt
index 2dd35ab..8d1cc78 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -60,7 +60,7 @@ plotly==4.6.0
 pluggy==0.13.1
 prometheus-client==0.7.1
 prompt-toolkit==3.0.5
-protobuf==3.13.0
+protobuf==3.18.3
 ptyprocess==0.6.0
 py==1.10.0
 Pygments==2.7.4