diff --git a/package-lock.json b/package-lock.json
index a240f66..4c89ff1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "SEE LICENSE IN README.md",
       "dependencies": {
         "@marp-team/marp-cli": "2.5.0",
-        "markdown-it": "13.0.2",
+        "markdown-it": "14.2.0",
         "yaml-front-matter": "4.1.1"
       }
     },
@@ -123,6 +123,21 @@
         }
       }
     },
+    "node_modules/@marp-team/marpit/node_modules/markdown-it": {
+      "version": "13.0.2",
+      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-13.0.2.tgz",
+      "integrity": "sha512-FtwnEuuK+2yVU7goGn/MJ0WBZMM9ZPgU9spqlFs7/A/pDIUNSOQZhUgOqYCficIuR2QaFnrt8LHqBWsbTAoI5w==",
+      "dependencies": {
+        "argparse": "^2.0.1",
+        "entities": "~3.0.1",
+        "linkify-it": "^4.0.1",
+        "mdurl": "^1.0.1",
+        "uc.micro": "^1.0.5"
+      },
+      "bin": {
+        "markdown-it": "bin/markdown-it.js"
+      }
+    },
     "node_modules/@puppeteer/browsers": {
       "version": "0.4.1",
       "resolved": "https://registry.npmjs.org/@puppeteer/browsers/-/browsers-0.4.1.tgz",
@@ -972,19 +987,29 @@
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     },
     "node_modules/markdown-it": {
-      "version": "13.0.2",
-      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-13.0.2.tgz",
-      "integrity": "sha512-FtwnEuuK+2yVU7goGn/MJ0WBZMM9ZPgU9spqlFs7/A/pDIUNSOQZhUgOqYCficIuR2QaFnrt8LHqBWsbTAoI5w==",
-      "license": "MIT",
+      "version": "14.2.0",
+      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-14.2.0.tgz",
+      "integrity": "sha512-1TGiQiJVRQ3NPmZH6sx5Cfnmg6GQm9jvC1ch4TK511NjSJvjzKLzn5pPfZRNZkRPZP0HqCioSndqH8v2nRaWVQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/puzrin"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/markdown-it"
+        }
+      ],
       "dependencies": {
         "argparse": "^2.0.1",
-        "entities": "~3.0.1",
-        "linkify-it": "^4.0.1",
-        "mdurl": "^1.0.1",
-        "uc.micro": "^1.0.5"
+        "entities": "^4.4.0",
+        "linkify-it": "^5.0.1",
+        "mdurl": "^2.0.0",
+        "punycode.js": "^2.3.1",
+        "uc.micro": "^2.1.0"
       },
       "bin": {
-        "markdown-it": "bin/markdown-it.js"
+        "markdown-it": "bin/markdown-it.mjs"
       }
     },
     "node_modules/markdown-it-front-matter": {
@@ -992,6 +1017,45 @@
       "resolved": "https://registry.npmjs.org/markdown-it-front-matter/-/markdown-it-front-matter-0.2.3.tgz",
       "integrity": "sha512-s9+rcClLmZsZc3YL8Awjg/YO/VdphlE20LJ9Bx5a8RAFLI5a1vq6Mll8kOzG6w/wy8yhFLBupaa6Mfd60GATkA=="
     },
+    "node_modules/markdown-it/node_modules/entities": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-4.5.0.tgz",
+      "integrity": "sha512-V0hjH4dGPh9Ao5p0MoRY6BVqtwCjhz6vI5LT8AJ55H+4g9/4vbHx1I54fS0XuclLhDHArPQCiMjDxjaL8fPxhw==",
+      "engines": {
+        "node": ">=0.12"
+      },
+      "funding": {
+        "url": "https://github.com/fb55/entities?sponsor=1"
+      }
+    },
+    "node_modules/markdown-it/node_modules/linkify-it": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/linkify-it/-/linkify-it-5.0.1.tgz",
+      "integrity": "sha512-wVoTjP4Q6R0NW5hiZkVJaFZPWgtXfoGF+6LucL3/FtiNjmcHhYjEr5f1Kqjirc1nBW07J/ZuRFumqr2oqccEWg==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/puzrin"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/markdown-it"
+        }
+      ],
+      "dependencies": {
+        "uc.micro": "^2.0.0"
+      }
+    },
+    "node_modules/markdown-it/node_modules/mdurl": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/mdurl/-/mdurl-2.0.0.tgz",
+      "integrity": "sha512-Lf+9+2r+Tdp5wXDXC4PcIBjTDtq4UKjCPMQhKIuzpJNW0b96kVqSwW0bT7FhRSfmAiFYgP+SCRvdrDozfh0U5w=="
+    },
+    "node_modules/markdown-it/node_modules/uc.micro": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/uc.micro/-/uc.micro-2.1.0.tgz",
+      "integrity": "sha512-ARDJmphmdvUk6Glw7y9DQ2bFkKBHwQHLi2lsaH6PPmz/Ka9sFOBsBluozhDltWmnv9u/cF6Rt87znRTPV+yp/A=="
+    },
     "node_modules/mathjax-full": {
       "version": "3.2.2",
       "resolved": "https://registry.npmjs.org/mathjax-full/-/mathjax-full-3.2.2.tgz",
@@ -1257,6 +1321,14 @@
         "once": "^1.3.1"
       }
     },
+    "node_modules/punycode.js": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/punycode.js/-/punycode.js-2.3.1.tgz",
+      "integrity": "sha512-uxFIHU0YlHYhDQtV4R9J6a52SLx28BCjT+4ieh7IGbgwVJWO+km431c4yRlREUAsAmt/uMjQUyQHNEPf0M39CA==",
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/puppeteer-core": {
       "version": "19.9.0",
       "resolved": "https://registry.npmjs.org/puppeteer-core/-/puppeteer-core-19.9.0.tgz",
diff --git a/package.json b/package.json
index 8c590cf..7196cca 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   "homepage": "https://github.com/sugarshin/slides#readme",
   "dependencies": {
     "@marp-team/marp-cli": "2.5.0",
-    "markdown-it": "13.0.2",
+    "markdown-it": "14.2.0",
     "yaml-front-matter": "4.1.1"
   }
 }