diff --git a/pyproject.toml b/pyproject.toml
index d0993dd..6741ab4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -62,7 +62,7 @@ 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",
@@ -82,7 +82,7 @@ dev-mkdocs = [
   "frequenz-repo-config[api] == 0.13.5",
 ]
 dev-mypy = [
-  "mypy == 1.16.1",
+  "mypy == 1.17.0",
   "grpc-stubs == 1.53.0.6",
   "types-Markdown == 3.8.0.20250415",
   # For checking the noxfile, docs/ script, and tests