diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index f3a44634b..620d59218 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -23,6 +23,9 @@ updates:
       dev-dependencies:
         patterns:
           - "*"
+        exclude-patterns:
+          - "@mdn/*"
+          - "@webref/*"
   # Enable version updates for GitHub Actions
   - package-ecosystem: "github-actions"
     directory: "/"
diff --git a/.github/workflows/update-core-deps.yml b/.github/workflows/update-core-deps.yml
index ba2668020..73fad37e2 100644
--- a/.github/workflows/update-core-deps.yml
+++ b/.github/workflows/update-core-deps.yml
@@ -19,7 +19,7 @@ jobs:
 
       # Use ncu to detect major version changes
       - run: npm i -g npm-check-updates
-      - run: ncu -u
+      - run: ncu -u @mdn* @webref*
       - run: npm i
       - run: git restore package.json
       # package-lock wants to remember the original version numbers of package.json
diff --git a/package-lock.json b/package-lock.json
index 11ac5091c..d8c834d8d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -29,7 +29,6 @@
         "node-fetch": "^3.3.2",
         "prettier": "^3.2.5",
         "print-diff": "^2.0.0",
-        "styleless-innertext": "^1.1.5",
         "typescript": "^5.4.5",
         "webidl2": "^24.4.1"
       }
@@ -4350,12 +4349,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/styleless-innertext": {
-      "version": "1.1.5",
-      "resolved": "https://registry.npmjs.org/styleless-innertext/-/styleless-innertext-1.1.5.tgz",
-      "integrity": "sha512-fb5YuTKZFRPDuTU5Xltmq4iQvhnpFlspdxkkG6uOuslGFkArTdP4DutoyRI1KGSvOA1Z6IpEpCGidc4w6WNvNw==",
-      "dev": true
-    },
     "node_modules/subarg": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/subarg/-/subarg-1.0.0.tgz",
diff --git a/package.json b/package.json
index e12684b66..9a6ccc9ee 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,6 @@
     "node-fetch": "^3.3.2",
     "prettier": "^3.2.5",
     "print-diff": "^2.0.0",
-    "styleless-innertext": "^1.1.5",
     "typescript": "^5.4.5",
     "webidl2": "^24.4.1"
   }