diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index cc78000..c94d5f8 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -15,7 +15,7 @@ repos:
       - id: end-of-file-fixer
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.15.22
+    rev: v0.16.2
     hooks:
       - id: ruff-check
         types_or: [python, pyi, jupyter]
diff --git a/notebook.ipynb b/notebook.ipynb
index 204590a..0d49881 100644
--- a/notebook.ipynb
+++ b/notebook.ipynb
@@ -7,8 +7,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "import pytest\n",
     "import ipytest\n",
+    "import pytest\n",
     "\n",
     "ipytest.autoconfig()"
    ]
diff --git a/test_area.py b/test_area.py
index 2afa735..6e65abd 100644
--- a/test_area.py
+++ b/test_area.py
@@ -1,6 +1,7 @@
-from area import area_of_square, area_of_rectangle
 import pytest
 
+from area import area_of_rectangle, area_of_square
+
 
 def test_area_of_square():
     # for integers, we can simply assert they are equal
diff --git a/test_text.py b/test_text.py
index 09d1473..eb7b0f3 100644
--- a/test_text.py
+++ b/test_text.py
@@ -1,15 +1,15 @@
-from text import count_lines, count_characters, count_bytes
 import pytest
 import requests
 
+from text import count_bytes, count_characters, count_lines
+
 
 @pytest.fixture
 def test_file_generator(tmp_path):
     def _test_file(n_lines):
         filename = tmp_path / "temp_file.txt"
         with open(filename, "w") as f:
-            for _ in range(n_lines):
-                f.write("hello\n")
+            f.writelines("hello\n" for _ in range(n_lines))
         return filename
 
     return _test_file