diff --git a/package-lock.json b/package-lock.json
index fc131cf9a6..2f1230f14d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,7 +7,7 @@
       "devDependencies": {
         "@proofdict/textlint-rule-proofdict": "3.1.2",
         "@textlint-ja/textlint-rule-no-insert-dropping-sa": "2.0.1",
-        "markdownlint-cli": "0.39.0",
+        "markdownlint-cli": "0.40.0",
         "textlint": "14.0.4",
         "textlint-filter-rule-comments": "1.2.2",
         "textlint-rule-abbr-within-parentheses": "1.0.2",
@@ -1005,12 +1005,12 @@
       }
     },
     "node_modules/commander": {
-      "version": "11.1.0",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-11.1.0.tgz",
-      "integrity": "sha512-yPVavfyCcRhmorC7rWlkHn15b4wDVgVmBA7kV4QVBsF7kv/9TKJAbAXVTxvTnwP8HHKjRCJDClKbciiYS7p0DQ==",
+      "version": "12.0.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-12.0.0.tgz",
+      "integrity": "sha512-MwVNWlYjDTtOjX5PiD7o5pK0UrFU/OYgcJfjjK4RaHZETNtjJqrZa9Y9ds88+A+f+d5lv+561eZ+yCKoS3gbAA==",
       "dev": true,
       "engines": {
-        "node": ">=16"
+        "node": ">=18"
       }
     },
     "node_modules/commandpost": {
@@ -2501,6 +2501,15 @@
         "graceful-fs": "^4.1.6"
       }
     },
+    "node_modules/jsonpointer": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/jsonpointer/-/jsonpointer-5.0.1.tgz",
+      "integrity": "sha512-p/nXbhSEcu3pZRdkW1OfJhpsVtW1gd4Wa1fnQc9YLiTfAjn0312eMKimbdIQzuZl9aa9xUGaRlP9T/CJE/ditQ==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/kansuji": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/kansuji/-/kansuji-1.1.0.tgz",
@@ -2653,9 +2662,9 @@
       "dev": true
     },
     "node_modules/markdown-it": {
-      "version": "14.0.0",
-      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-14.0.0.tgz",
-      "integrity": "sha512-seFjF0FIcPt4P9U39Bq1JYblX0KZCjDLFFQPHpL5AzHpqPEKtosxmdq/LTVZnjfH7tjt9BxStm+wXcDBNuYmzw==",
+      "version": "14.1.0",
+      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-14.1.0.tgz",
+      "integrity": "sha512-a54IwgWPaeBCAAsv13YgmALOF1elABB08FxO9i+r4VFk5Vl4pKokRPeX8u5TCgSsPi6ec1otfLjdOpVcgbpshg==",
       "dev": true,
       "dependencies": {
         "argparse": "^2.0.1",
@@ -2663,7 +2672,7 @@
         "linkify-it": "^5.0.0",
         "mdurl": "^2.0.0",
         "punycode.js": "^2.3.1",
-        "uc.micro": "^2.0.0"
+        "uc.micro": "^2.1.0"
       },
       "bin": {
         "markdown-it": "bin/markdown-it.mjs"
@@ -2689,13 +2698,13 @@
       }
     },
     "node_modules/markdownlint": {
-      "version": "0.33.0",
-      "resolved": "https://registry.npmjs.org/markdownlint/-/markdownlint-0.33.0.tgz",
-      "integrity": "sha512-4lbtT14A3m0LPX1WS/3d1m7Blg+ZwiLq36WvjQqFGsX3Gik99NV+VXp/PW3n+Q62xyPdbvGOCfjPqjW+/SKMig==",
+      "version": "0.34.0",
+      "resolved": "https://registry.npmjs.org/markdownlint/-/markdownlint-0.34.0.tgz",
+      "integrity": "sha512-qwGyuyKwjkEMOJ10XN6OTKNOVYvOIi35RNvDLNxTof5s8UmyGHlCdpngRHoRGNvQVGuxO3BJ7uNSgdeX166WXw==",
       "dev": true,
       "dependencies": {
-        "markdown-it": "14.0.0",
-        "markdownlint-micromark": "0.1.8"
+        "markdown-it": "14.1.0",
+        "markdownlint-micromark": "0.1.9"
       },
       "engines": {
         "node": ">=18"
@@ -2705,20 +2714,22 @@
       }
     },
     "node_modules/markdownlint-cli": {
-      "version": "0.39.0",
-      "resolved": "https://registry.npmjs.org/markdownlint-cli/-/markdownlint-cli-0.39.0.tgz",
-      "integrity": "sha512-ZuFN7Xpsbn1Nbp0YYkeLOfXOMOfLQBik2lKRy8pVI/llmKQ2uW7x+8k5OMgF6o7XCsTDSYC/OOmeJ+3qplvnJQ==",
+      "version": "0.40.0",
+      "resolved": "https://registry.npmjs.org/markdownlint-cli/-/markdownlint-cli-0.40.0.tgz",
+      "integrity": "sha512-JXhI3dRQcaqwiFYpPz6VJ7aKYheD53GmTz9y4D/d0F1MbZDGOp9pqKlbOfUX/pHP/iAoeiE4wYRmk8/kjLakxA==",
       "dev": true,
       "dependencies": {
-        "commander": "~11.1.0",
+        "commander": "~12.0.0",
         "get-stdin": "~9.0.0",
-        "glob": "~10.3.10",
-        "ignore": "~5.3.0",
+        "glob": "~10.3.12",
+        "ignore": "~5.3.1",
         "js-yaml": "^4.1.0",
         "jsonc-parser": "~3.2.1",
-        "markdownlint": "~0.33.0",
-        "minimatch": "~9.0.3",
-        "run-con": "~1.3.2"
+        "jsonpointer": "5.0.1",
+        "markdownlint": "~0.34.0",
+        "minimatch": "~9.0.4",
+        "run-con": "~1.3.2",
+        "toml": "~3.0.0"
       },
       "bin": {
         "markdownlint": "markdownlint.js"
@@ -2792,12 +2803,12 @@
       }
     },
     "node_modules/markdownlint-micromark": {
-      "version": "0.1.8",
-      "resolved": "https://registry.npmjs.org/markdownlint-micromark/-/markdownlint-micromark-0.1.8.tgz",
-      "integrity": "sha512-1ouYkMRo9/6gou9gObuMDnvZM8jC/ly3QCFQyoSPCS2XV1ZClU0xpKbL1Ar3bWWRT1RnBZkWUEiNKrI2CwiBQA==",
+      "version": "0.1.9",
+      "resolved": "https://registry.npmjs.org/markdownlint-micromark/-/markdownlint-micromark-0.1.9.tgz",
+      "integrity": "sha512-5hVs/DzAFa8XqYosbEAEg6ok6MF2smDj89ztn9pKkCtdKHVdPQuGMH7frFfYL9mLkvfFe4pTyAMffLbjf3/EyA==",
       "dev": true,
       "engines": {
-        "node": ">=16"
+        "node": ">=18"
       },
       "funding": {
         "url": "https://github.com/sponsors/DavidAnson"
@@ -6162,6 +6173,12 @@
         "node": ">=8.0"
       }
     },
+    "node_modules/toml": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/toml/-/toml-3.0.0.tgz",
+      "integrity": "sha512-y/mWCZinnvxjTKYhJ+pYxwD0mRLVvOtdS2Awbgxln6iEnt4rk0yBxeSBHkGJcPucRiG0e55mwWp+g/05rsrd6w==",
+      "dev": true
+    },
     "node_modules/tr46": {
       "version": "0.0.3",
       "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
diff --git a/package.json b/package.json
index 1783d99946..8d6c974a79 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "devDependencies": {
     "@proofdict/textlint-rule-proofdict": "3.1.2",
     "@textlint-ja/textlint-rule-no-insert-dropping-sa": "2.0.1",
-    "markdownlint-cli": "0.39.0",
+    "markdownlint-cli": "0.40.0",
     "textlint": "14.0.4",
     "textlint-filter-rule-comments": "1.2.2",
     "textlint-rule-abbr-within-parentheses": "1.0.2",