diff --git a/poetry.lock b/poetry.lock
index 6e239c9..0ebc04c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -846,13 +846,13 @@ test = ["covdefaults (>=2.3)", "coverage (>=7.2.7)", "coverage-enable-subprocess
 
 [[package]]
 name = "voluptuous"
-version = "0.14.2"
+version = "0.15.0"
 description = "Python data validation library"
 optional = false
-python-versions = ">=3.8"
+python-versions = ">=3.9"
 files = [
-    {file = "voluptuous-0.14.2-py3-none-any.whl", hash = "sha256:efc1dadc9ae32a30cc622602c1400a17b7bf8ee2770d64f70418144860739c3b"},
-    {file = "voluptuous-0.14.2.tar.gz", hash = "sha256:533e36175967a310f1b73170d091232bf881403e4ebe52a9b4ade8404d151f5d"},
+    {file = "voluptuous-0.15.0-py3-none-any.whl", hash = "sha256:ab8d0c3b74b83d062b72fde6ed120b9801d7acb7e504666b0f278dd214ae7ce5"},
+    {file = "voluptuous-0.15.0.tar.gz", hash = "sha256:90fb449f6088f3985b24c0df79887e3823355639e0a6a220394ceac07258aea0"},
 ]
 
 [[package]]
@@ -979,4 +979,4 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.11,<3.13"
-content-hash = "b9a4c0d3531b36e4cdfe748b274f0868129601be8ef217697223c4b932a0da30"
+content-hash = "9612b38e63814db8366081222807f70a38195f6896ace1861481e4249f0792c0"
diff --git a/pyproject.toml b/pyproject.toml
index 0bdc6ad..c692838 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ classifiers = [
 [tool.poetry.dependencies]
 python = ">=3.11,<3.13"
 ojmicroline-thermostat = { git = "https://github.com/robbinjanssen/python-ojmicroline-thermostat.git", branch = "main" }
-voluptuous = "^0.14.2"
+voluptuous = "^0.15.0"
 
 [tool.poetry.group.dev.dependencies]
 codespell = "2.3.0"