diff --git a/requirements.txt b/requirements.txt
index 7d96359..374e3c7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -76,7 +76,7 @@ Pillow==7.0.0
 plotly==4.5.3
 prometheus-client==0.7.1
 prompt-toolkit==3.0.4
-protobuf==3.11.3
+protobuf==3.18.3
 psutil==5.7.0
 ptyprocess==0.6.0
 py-expression-eval==0.3.4