diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 030d9e9..88b61f7 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -17,13 +17,18 @@ repos:
       - id: check-added-large-files
 
   - repo: https://github.com/psf/black
-    rev: 23.1.0
+    rev: 23.3.0
     hooks:
       - id: black
 
+  - repo: https://github.com/adamchainz/blacken-docs
+    rev: 1.13.0
+    hooks:
+      - id: blacken-docs
+
   - repo: https://github.com/charliermarsh/ruff-pre-commit
     # Ruff version.
-    rev: "v0.0.239"
+    rev: "v0.0.261"
     hooks:
       - id: ruff
 
diff --git a/pyproject.toml b/pyproject.toml
index bf2308a..4fa861e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,4 +41,6 @@ Source = "https://github.com/scientific-python/yaml2ics"
 exclude = ["tests/*"]
 
 [tool.ruff]
+line-length = 88
+target-version = "py38"
 select = ["F", "E", "W", "I", "UP"]