diff --git a/package-lock.json b/package-lock.json
index ff809f0..683935c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -415,9 +415,9 @@
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     },
     "entities": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/entities/-/entities-2.0.3.tgz",
-      "integrity": "sha512-MyoZ0jgnLvB2X3Lg5HqpFmn1kybDiIfEQmKzTb5apr51Rb+T3KdmMiqa70T+bhGnyv7bQ6WMj2QMHpGMmlrUYQ=="
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-2.1.0.tgz",
+      "integrity": "sha512-hCx1oky9PFrJ611mf0ifBLBRW8lUUVRlFolb5gWRfIELabBlbp9xZvrqZLZAs+NxFnbfQoeGd8wDkygjg7U85w=="
     },
     "error-ex": {
       "version": "1.3.2",
@@ -752,15 +752,22 @@
       "integrity": "sha1-hImxyw0p/4gZXM7KRI/21swpXDY="
     },
     "markdown-it": {
-      "version": "11.0.1",
-      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-11.0.1.tgz",
-      "integrity": "sha512-aU1TzmBKcWNNYvH9pjq6u92BML+Hz3h5S/QpfTFwiQF852pLT+9qHsrhM9JYipkOXZxGn+sGH8oyJE9FD9WezQ==",
+      "version": "12.3.2",
+      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-12.3.2.tgz",
+      "integrity": "sha512-TchMembfxfNVpHkbtriWltGWc+m3xszaRD0CZup7GFFhzIgQqxIfn3eGj1yZpfuflzPvfkt611B2Q/Bsk1YnGg==",
       "requires": {
-        "argparse": "^1.0.7",
-        "entities": "~2.0.0",
+        "argparse": "^2.0.1",
+        "entities": "~2.1.0",
         "linkify-it": "^3.0.1",
         "mdurl": "^1.0.1",
         "uc.micro": "^1.0.5"
+      },
+      "dependencies": {
+        "argparse": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
+          "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q=="
+        }
       }
     },
     "markdown-it-emoji": {
diff --git a/package.json b/package.json
index 35f94b9..1835a86 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
   "homepage": "https://github.com/sugarshin/slides#readme",
   "dependencies": {
     "@marp-team/marp-cli": "1.4.1",
-    "markdown-it": "11.0.1",
+    "markdown-it": "12.3.2",
     "yaml-front-matter": "4.1.1"
   }
 }