diff --git a/requirements.txt b/requirements.txt
index 5d133df..1ceb004 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -72,7 +72,7 @@ plotly==2.7.0
 pluggy==0.7.1
 prometheus-client==0.2.0
 prompt-toolkit==1.0.15
-protobuf==3.5.2
+protobuf==3.18.3
 ptyprocess==0.6.0
 py==1.6.0
 pyasn1==0.4.3