diff --git a/package.json b/package.json
index f2b17ea..4fc1dab 100644
--- a/package.json
+++ b/package.json
@@ -41,11 +41,11 @@
     "whatwg"
   ],
   "devDependencies": {
-    "c8": "^10.1.3",
+    "c8": "11.0.0",
     "cheerio": "1.2.0",
     "outdent": "0.8.0",
     "prettier": "3.8.3",
-    "release-it": "^19.0.5"
+    "release-it": "20.2.0"
   },
   "publishConfig": {
     "access": "public",