diff --git a/poetry.lock b/poetry.lock
index 996c828..74a5cda 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -254,13 +254,13 @@ uvloop = ["uvloop (>=0.15.2)"]
 
 [[package]]
 name = "blacken-docs"
-version = "1.14.0"
+version = "1.15.0"
 description = "Run Black on Python code blocks in documentation files."
 optional = false
-python-versions = ">=3.7"
+python-versions = ">=3.8"
 files = [
-    {file = "blacken_docs-1.14.0-py3-none-any.whl", hash = "sha256:fd579c07522d46dc323e4826dfaf8885637d2654936f56e71144682933598812"},
-    {file = "blacken_docs-1.14.0.tar.gz", hash = "sha256:1ddda708c9a346ebd70c758d2847b5fd35b3801780261aa23787f19eb5d4d50d"},
+    {file = "blacken_docs-1.15.0-py3-none-any.whl", hash = "sha256:020657fd480f9f0a4dc82b9278390891ebd5216992b026e652c5b31d0e9c405d"},
+    {file = "blacken_docs-1.15.0.tar.gz", hash = "sha256:2915242add4e584738027b5bebafd4120c174a6c7645e1d8ce1c2f3265edc48a"},
 ]
 
 [package.dependencies]
@@ -1652,4 +1652,4 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10"
-content-hash = "38ac0764ffa7c9e0e76089ac8d45f470c80dc3deb3bfa3b2ca4593bbf7264ff8"
+content-hash = "66eb12aa1f033d1db0804f60c70c55a4209974aca17a367cb88997f52e8bdb2e"
diff --git a/pyproject.toml b/pyproject.toml
index 90a2a14..1b8002a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ ojmicroline-thermostat = { git = "https://github.com/robbinjanssen/python-ojmicr
 [tool.poetry.group.dev.dependencies]
 bandit = "^1.7.5"
 black = "^23.3"
-blacken-docs = "^1.14.0"
+blacken-docs = "^1.15.0"
 codespell = "^2.2.5"
 darglint = "^1.8.1"
 flake8 = "^4.0.1"