diff --git a/requirements.txt b/requirements.txt
index cfdc04d..f727190 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -57,7 +57,7 @@ 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
 pyasn1==0.4.8
 pyasn1-modules==0.2.8