diff --git a/requirements/ci.txt b/requirements/ci.txt
index 99c5c7d..c7b112b 100644
--- a/requirements/ci.txt
+++ b/requirements/ci.txt
@@ -9,13 +9,13 @@
 # --no-isolation): its build backend is the hatchling pinned here, not the latest release.
 
 # lint and tests
-flake8==7.4.1
-pytest==9.1.1
+flake8==7.5.0
+pytest==9.2.0
 # type check (types-pyserial: type stubs of pyserial, for the gateways of pyModbusTCP.tools)
-mypy==2.4.0
+mypy==2.4.1
 types-pyserial==3.5.0.20260712
 # build of the two packages (build backend: hatchling, as required by both pyproject.toml)
 build==1.6.1
-hatchling==1.32.4
+hatchling==1.33.0
 # serial line of the gateways (extra serial: pyserial>=3.5,<4)
 pyserial==3.5
diff --git a/requirements/dev.txt b/requirements/dev.txt
index c0c663a..4a64fbf 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -8,7 +8,7 @@
 # check of the packages before an upload (tools/build_dist.sh)
 twine==7.0.0
 # linter of tools/code_audit.sh
-ruff==0.17.2
+ruff==0.17.3
 # known vulnerabilities of the packages of the dev venv and of docs/requirements.txt (tools/code_audit.sh pip-audit)
 pip-audit==2.10.1
 # editable install without build isolation (pip install --no-build-isolation --editable ., backend hatchling)