diff --git a/requirements.txt b/requirements.txt
index 587a19f..2fd74ad 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -56,7 +56,7 @@ plac==0.9.6
 preshed==3.0.2
 prometheus-client==0.7.1
 prompt-toolkit==3.0.5
-protobuf==3.11.3
+protobuf==3.18.3
 ptyprocess==0.6.0
 pycparser==2.20
 pydeck==0.3.0