diff --git a/pyproject.toml b/pyproject.toml
index 5e78f40fe..d83ff2311 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -68,7 +68,7 @@ dev-mkdocs = [
 dev-mypy = [
   "mypy == 1.15.0",
   "types-Markdown == 3.7.0.20250322",
-  "types-protobuf == 5.29.1.20250208",
+  "types-protobuf == 5.29.1.20250403",
   "types-setuptools == 78.1.0.20250329",
   # For checking the noxfile, docs/ script, and tests
   "frequenz-sdk[dev-mkdocs,dev-noxfile,dev-pytest]",