diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index a70b5e72e..34623ee02 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -62,7 +62,7 @@ repos:
       - id: trailing-whitespace
 
   - repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: "v0.4.4"
+    rev: "v0.6.1"
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix]
@@ -84,7 +84,7 @@ repos:
       - id: text-unicode-replacement-char
 
   - repo: https://github.com/igorshubovych/markdownlint-cli
-    rev: v0.40.0
+    rev: v0.41.0
     hooks:
       - id: markdownlint
         args: ["--disable", "MD013"]
diff --git a/scripts/check_chapters.py b/scripts/check_chapters.py
index b9dc9fb29..c01ffbd51 100755
--- a/scripts/check_chapters.py
+++ b/scripts/check_chapters.py
@@ -48,11 +48,11 @@ def get_list_of_chapter_files() -> list[Path]:
     """
     Read hpmor.tex, extract list of (not-commented out) chapter files.
 
-    returns list of filesnames
+    returns list of filenames
     """
     list_of_files: list[Path] = []
     with Path("hpmor.tex").open(encoding="utf-8") as fh:
-        for line in fh.readlines():
+        for line in fh:
             my_match = re.search(r"^.*include\{(chapters/.+?)\}.*$", line)
             if my_match:
                 include_path = my_match.group(1)