diff --git a/pyproject.toml b/pyproject.toml
index 90847be9..c8c8ae8a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ email = "floss@frequenz.com"
 
 [project.optional-dependencies]
 dev-flake8 = [
-  "flake8 == 7.2.0",
+  "flake8 == 7.3.0",
   "flake8-docstrings == 1.7.0",
   "flake8-pyproject == 1.2.3", # For reading the flake8 config from pyproject.toml
   "pydoclint == 0.6.6",
@@ -63,7 +63,7 @@ dev-mkdocs = [
 dev-mypy = [
   # For checking the noxfile, docs/ script, and tests
   "frequenz-channels[dev-mkdocs,dev-noxfile,dev-pytest]",
-  "mypy == 1.16.1",
+  "mypy == 1.17.1",
   "types-Markdown == 3.8.0.20250415",
 ]
 dev-noxfile = ["nox == 2025.5.1", "frequenz-repo-config[lib] == 0.13.5"]
@@ -75,8 +75,8 @@ dev-pylint = [
 dev-pytest = [
   "async-solipsism == 0.8",
   "frequenz-repo-config[extra-lint-examples] == 0.13.5",
-  "hypothesis == 6.132.0",
-  "pytest == 8.3.5",
+  "hypothesis == 6.136.8",
+  "pytest == 8.4.1",
   "pytest-asyncio == 1.1.0",
   "pytest-mock == 3.14.1",
 ]