diff --git a/requirements.txt b/requirements.txt
index 783a79a..11c93dd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -54,7 +54,7 @@ pickleshare==0.7.5
 Pillow==7.0.0
 prometheus-client==0.7.1
 prompt-toolkit==1.0.18
-protobuf==3.11.3
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pyglet==1.5.0