diff --git a/requirements.txt b/requirements.txt
index be63ec5..c604c02 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -47,7 +47,7 @@ pickleshare==0.7.4
 Pillow==7.1.0
 prometheus-client==0.4.2
 prompt-toolkit==1.0.15
-protobuf==3.10.0
+protobuf==3.18.3
 ptyprocess==0.6.0
 pycparser==2.19
 pyglet==1.3.2