diff --git a/pyproject.toml b/pyproject.toml
index 4773d0a..1cde5c5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -58,24 +58,24 @@ dev-flake8 = [
   "pydoclint == 0.6.11",
   "pydocstyle == 6.3.0",
 ]
-dev-formatting = ["black == 25.1.0", "isort == 6.0.1"]
+dev-formatting = ["black == 25.9.0", "isort == 6.0.1"]
 dev-mkdocs = [
-  "black == 25.1.0",
-  "Markdown==3.8.2",
+  "black == 25.9.0",
+  "Markdown==3.9",
   "mike == 2.1.3",
   "mkdocs-gen-files == 0.5.0",
   "mkdocs-literate-nav == 0.6.2",
-  "mkdocs-macros-plugin == 1.3.9",
+  "mkdocs-macros-plugin == 1.4.0",
   "mkdocs-material == 9.6.18",
   "mkdocstrings[python] == 0.30.0",
   "mkdocstrings-python == 1.18.2",
   "frequenz-repo-config[lib] == 0.13.5",
 ]
 dev-mypy = [
-  "mypy == 1.17.1",
+  "mypy == 1.18.2",
   "grpc-stubs == 1.53.0.6",
-  "types-Markdown == 3.8.0.20250809",
-  "types-protobuf == 6.30.2.20250822",
+  "types-Markdown == 3.9.0.20250906",
+  "types-protobuf == 6.32.1.20250918",
   # For checking the noxfile, docs/ script, and tests
   "frequenz-client-microgrid[dev-mkdocs,dev-noxfile,dev-pytest]",
 ]
@@ -88,7 +88,7 @@ dev-pylint = [
 dev-pytest = [
   "pytest == 8.4.1",
   "frequenz-repo-config[extra-lint-examples] == 0.13.5",
-  "pytest-mock == 3.14.1",
+  "pytest-mock == 3.15.1",
   "pytest-asyncio == 1.1.0",
   "async-solipsism == 0.8",
 ]