diff --git a/package.json b/package.json
index 0a57e88..bd91295 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
   "dependencies": {},
   "devDependencies": {
     "@substrate-system/debug": "^0.9.24",
-    "@substrate-system/tapout": "^0.0.33",
+    "@substrate-system/tapout": "^0.0.37",
     "@substrate-system/tapzero": "^0.10.15",
     "@typescript-eslint/eslint-plugin": "^8.0.0",
     "@typescript-eslint/parser": "^8.0.0",
@@ -59,7 +59,7 @@
     "eslint-config-standard": "^17.1.0",
     "htm": "^3.1.1",
     "markdown-toc": "^1.2.0",
-    "postcss-nesting": "^13.0.2",
+    "postcss-nesting": "^14.0.0",
     "tap-spec": "^5.0.0",
     "typedoc": "^0.28.9",
     "typescript": "^5.9.2",