diff --git a/requirements.txt b/requirements.txt
index 3bbf42c..d8c8c52 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,7 +51,7 @@ pickleshare==0.7.5
 Pillow==8.2.0
 prometheus-client==0.10.1
 prompt-toolkit==3.0.18
-protobuf==3.15.8
+protobuf==3.18.3
 ptyprocess==0.7.0
 pycparser==2.20
 pydeck==0.6.2