diff --git a/requirements.txt b/requirements.txt
index cd5d431..6a55894 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -48,7 +48,7 @@ pickleshare==0.7.5
 Pillow==9.0.1
 prometheus-client==0.8.0
 prompt-toolkit==3.0.5
-protobuf==3.15.0
+protobuf==3.18.3
 pyarrow==1.0.0
 pydeck==0.4.0
 Pygments==2.7.4