diff --git a/requirements.txt b/requirements.txt
index e6cff61..dd9db1f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -111,7 +111,7 @@ pep517==0.12.0
     # via pip-tools
 pip-tools==6.6.2
     # via -r requirements.in
-protobuf==3.20.1
+protobuf==3.20.2
     # via
     #   ddsketch
     #   ddtrace