diff --git a/python-wrapper/pyproject.toml b/python-wrapper/pyproject.toml
index cae00bf..d38e22b 100644
--- a/python-wrapper/pyproject.toml
+++ b/python-wrapper/pyproject.toml
@@ -40,7 +40,7 @@ requires-python = ">=3.9"
 
 [project.optional-dependencies]
 dev = [
-    "ruff==0.8.6",
+    "ruff==0.9.0",
     "mypy==1.14.1",
     "pytest==8.3.4",
     "selenium==4.27.1",
diff --git a/python-wrapper/tests/test_colors.py b/python-wrapper/tests/test_colors.py
index 3cc57e4..3c1a477 100644
--- a/python-wrapper/tests/test_colors.py
+++ b/python-wrapper/tests/test_colors.py
@@ -57,7 +57,7 @@ def test_color_nodes_iter_exhausted() -> None:
     with pytest.warns(
         UserWarning,
         match=(
-            "Ran out of colors for property 'caption'. 3 colors were needed, but only 2 were given, " "so reused colors"
+            "Ran out of colors for property 'caption'. 3 colors were needed, but only 2 were given, so reused colors"
         ),
     ):
         VG.color_nodes("caption", ["#000000", "#00FF00"])