diff --git a/poetry.lock b/poetry.lock
index 724edd1..92dab2c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -203,17 +203,17 @@ uvloop = ["uvloop (>=0.15.2)"]
 
 [[package]]
 name = "blacken-docs"
-version = "1.16.0"
+version = "1.18.0"
 description = "Run Black on Python code blocks in documentation files."
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "blacken_docs-1.16.0-py3-none-any.whl", hash = "sha256:b0dcb84b28ebfb352a2539202d396f50e15a54211e204a8005798f1d1edb7df8"},
-    {file = "blacken_docs-1.16.0.tar.gz", hash = "sha256:b4bdc3f3d73898dfbf0166f292c6ccfe343e65fc22ddef5319c95d1a8dcc6c1c"},
+    {file = "blacken_docs-1.18.0-py3-none-any.whl", hash = "sha256:64f592246784131e9f84dad1db397f44eeddc77fdf01726bab920a3f00a3815c"},
+    {file = "blacken_docs-1.18.0.tar.gz", hash = "sha256:47bed628679d008a8eb55d112df950582e68d0f57615223929e366348d935444"},
 ]
 
 [package.dependencies]
-black = ">=22.1.0"
+black = ">=22.1"
 
 [[package]]
 name = "cfgv"
@@ -1222,4 +1222,4 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11"
-content-hash = "19552a78bed673b5b83c437b359101bfe4ad78c184bec15dc52f3a175876c7a5"
+content-hash = "0390d4bcded7355f90900faf9e97509c5d42a3b5fadf4ac3d460f7244d2c8a0e"
diff --git a/pyproject.toml b/pyproject.toml
index 0083a8f..399678c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -37,7 +37,7 @@ Changelog = "https://github.com/klaasnicolaas/python-odp-stockholm/releases"
 
 [tool.poetry.group.dev.dependencies]
 aresponses = "3.0.0"
-blacken-docs = "1.16.0"
+blacken-docs = "1.18.0"
 codespell = "2.3.0"
 covdefaults = "2.3.0"
 coverage = {version = "7.5.4", extras = ["toml"]}