diff --git a/requirements.txt b/requirements.txt
index 53b5200..1c7fd33 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -79,7 +79,7 @@ pluggy==0.13.1
 preshed==2.0.1
 prometheus-client==0.7.1
 prompt-toolkit==3.0.5
-protobuf==3.11.3
+protobuf==3.18.3
 ptyprocess==0.6.0
 py==1.8.1
 pydeck==0.3.1