diff --git a/requirements.txt b/requirements.txt
index 6109599..9c8eed0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -62,7 +62,7 @@ patsy==0.5.1
 pickleshare==0.7.5
 prometheus-client==0.7.1
 prompt-toolkit==3.0.2
-protobuf==3.10.1
+protobuf==3.18.3
 pycodestyle==2.5.0
 pycparser==2.19
 Pygments==2.5.2