diff --git a/requirements.txt b/requirements.txt
index c6f4757..9bc021e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -58,7 +58,7 @@ prometheus-client==0.7.1
 prometheus-flask-exporter==0.12.1
 prompt-toolkit==3.0.2
 Protego==0.1.16
-protobuf==3.11.2
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pycparser==2.19