diff --git a/requirements.txt b/requirements.txt
index 6776a3b..487ea14 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -47,7 +47,7 @@ pickleshare==0.7.5
 pkg-resources==0.0.0
 prometheus-client==0.7.1
 prompt-toolkit==2.0.10
-protobuf==3.10.0
+protobuf==3.15.0
 ptyprocess==0.6.0
 Pygments==2.4.2
 pymongo==3.9.0