diff --git a/etc/requirements.txt b/etc/requirements.txt
index a315a5fdcc..560fc82ab9 100644
--- a/etc/requirements.txt
+++ b/etc/requirements.txt
@@ -31,7 +31,7 @@ mypy-extensions==0.4.3
 oauthlib==3.2.2
 platformdirs==2.6.0
 proto-plus==1.22.2
-protobuf==3.19.4
+protobuf==3.19.5
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 Pygments==2.11.2