diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fe811d58e..f59bfe231 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -47,7 +47,7 @@ jobs:
             matrix:
                 os: [ubuntu-latest]
                 eslint: [9]
-                node: [24.x, 22.x, 20.x, 18.x, "18.18.0"]
+                node: [25.x, 24.x, 22.x, 20.x, 18.x, "18.18.0"]
                 include:
                     - os: windows-latest
                       eslint: 9
diff --git a/package.json b/package.json
index 52d01489f..5c8ea6890 100644
--- a/package.json
+++ b/package.json
@@ -75,6 +75,8 @@
   "devDependencies": {
     "@eslint/js": "^9.36.0",
     "@eslint/json": "^0.13.2",
+    "@types/mdast": "^4.0.4",
+    "@types/unist": "^3.0.3",
     "c8": "^10.1.3",
     "dedent": "^1.5.3",
     "eslint": "^9.36.0",
@@ -84,6 +86,7 @@
     "lint-staged": "^15.2.9",
     "mocha": "^11.6.0",
     "prettier": "^3.3.3",
+    "semver": "^7.7.3",
     "typescript": "^5.9.2",
     "yorkie": "^2.0.0"
   },