diff --git a/search/requirements.txt b/search/requirements.txt
index 99043c51..1e248c8f 100644
--- a/search/requirements.txt
+++ b/search/requirements.txt
@@ -34,7 +34,7 @@ multidict==6.0.4
     # via
     #   aiohttp
     #   yarl
-protobuf==4.21.12
+protobuf==4.22.4
     # via grpcio-tools
 pyparsing==3.0.9
     # via search (setup.py)