diff --git a/dev-requirements.txt b/dev-requirements.txt
index d6574c3..f5f3226 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -100,7 +100,7 @@ pip-tools==7.4.1
     # via elastic-opentelemetry (pyproject.toml)
 pluggy==1.5.0
     # via pytest
-protobuf==5.29.2
+protobuf==5.29.3
     # via
     #   googleapis-common-protos
     #   opentelemetry-proto