diff --git a/requirements.txt b/requirements.txt
index b200d4f..5929738 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -50,7 +50,7 @@ Pillow==7.1.2
 plotly==4.8.2
 prometheus-client==0.8.0
 prompt-toolkit==3.0.5
-protobuf==3.12.2
+protobuf==3.18.3
 ptyprocess==0.6.0
 Pygments==2.6.1
 pyparsing==2.4.7