diff --git a/requirements.txt b/requirements.txt
index 3ed24bd..6adbc95 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -71,7 +71,7 @@ pickleshare==0.7.5
 Pillow==5.4.1
 prometheus-client==0.6.0
 prompt-toolkit==2.0.9
-protobuf==3.7.0
+protobuf==3.18.3
 ptyprocess==0.6.0
 pudb==2019.1
 pycparser==2.19