diff --git a/pyproject.toml b/pyproject.toml
index 7f7e312..dffcc4d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,23 +51,23 @@ dev-flake8 = [
   "pydoclint == 0.7.3",
   "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 == 1.3.7",
+  "mkdocs-macros-plugin == 1.4.0",
   "mkdocs-material == 9.6.21",
   "mkdocstrings[python] == 0.30.1",
   "mkdocstrings-python == 1.18.2",
   "frequenz-repo-config[lib] == 0.13.5",
 ]
 dev-mypy = [
-  "mypy == 1.17.1",
-  "types-Markdown == 3.8.0.20250708",
-  "types-protobuf == 6.30.2.20250703",
+  "mypy == 1.18.2",
+  "types-Markdown == 3.9.0.20250906",
+  "types-protobuf == 6.32.1.20250918",
   # For checking the noxfile, docs/ script, and tests
   "frequenz-client-reporting[dev-mkdocs,dev-noxfile,dev-pytest]",
   "pandas-stubs >= 2, < 3",  # Only required for example
@@ -85,7 +85,7 @@ dev-pylint = [
 dev-pytest = [
   "pytest == 8.4.2",
   "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",
 ]