diff --git a/package.json b/package.json
index a0ed7f6..b904af4 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "htm": "^3.1.1",
     "markdown-toc": "^1.2.0",
     "postcss-import": "^16.1.0",
-    "postcss-nesting": "^13.0.0",
+    "postcss-nesting": "^14.0.0",
     "tap-spec": "^5.0.0",
     "tape-run": "^11.0.0",
     "typescript": "^5.8.3",