diff --git a/requirements.txt b/requirements.txt
index 69e2090..b6bf451 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -88,7 +88,7 @@ Pillow==5.4.1
 post==2019.4.13
 prometheus-client==0.6.0
 prompt-toolkit==2.0.9
-protobuf==3.7.0
+protobuf==3.18.3
 psycopg2==2.8.2
 ptyprocess==0.6.0
 public==2019.4.13