diff --git a/pyproject.toml b/pyproject.toml
index c8ba35669f..db7d66e92a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ dependencies = [
     "appdirs==1.4.4",
     "beautifulsoup4==4.14.3",
     "charset-normalizer==3.4.7",
-    "cssutils==2.14.0",
+    "cssutils==2.15.0",
     "dhash==1.4",
     "html5lib==1.1",
     "lxml==6.1.0",