diff --git a/pyproject.toml b/pyproject.toml
index f3d5b8f..c8f54a5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -61,24 +61,24 @@ dev-flake8 = [
   "pydoclint == 0.6.10",
   "pydocstyle == 6.3.0",
 ]
-dev-formatting = ["black == 25.1.0", "isort == 6.0.1"]
+dev-formatting = ["black == 25.9.0", "isort == 6.1.0"]
 dev-mkdocs = [
-  "Markdown == 3.8.2",
-  "black == 25.1.0",
+  "Markdown == 3.9",
+  "black == 25.9.0",
   "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 == 9.6.17",
   "mkdocstrings[python] == 0.30.0",
   "mkdocstrings-python == 1.17.0",
   "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 == 6.30.2.20250516",
+  "types-Markdown == 3.9.0.20250906",
+  "types-protobuf == 6.32.1.20250918",
   # For checking the noxfile, docs/ script, and tests
   "frequenz-client-assets[dev-mkdocs,dev-noxfile,dev-pytest,cli]",
 ]
@@ -92,7 +92,7 @@ dev-pytest = [
   "pytest == 8.4.1",
   "pylint == 3.3.8", # We need this to check for the examples
   "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",
 ]