diff --git a/package-lock.json b/package-lock.json
index 2c4cb1f..bd2aaa2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "hasInstallScript": true,
       "license": "SEE LICENSE IN LICENSE",
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-        "markdownlint": "^0.22.0"
+        "markdownlint": "^0.26.2"
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@@ -20,26 +20,32 @@
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     },
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-      "resolved": "https://registry.npmjs.org/entities/-/entities-2.0.3.tgz",
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+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-3.0.1.tgz",
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+      "engines": {
+        "node": ">=0.12"
+      },
+      "funding": {
+        "url": "https://github.com/fb55/entities?sponsor=1"
+      }
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-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/linkify-it/-/linkify-it-3.0.2.tgz",
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+      "resolved": "https://registry.npmjs.org/linkify-it/-/linkify-it-4.0.1.tgz",
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-      "version": "12.0.2",
-      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-12.0.2.tgz",
-      "integrity": "sha512-4Lkvjbv2kK+moL9TbeV+6/NHx+1Q+R/NIdUlFlkqkkzUcTod4uiyTJRiBidKR9qXSdkNFkgv+AELY8KN9vSgVA==",
+      "version": "13.0.1",
+      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-13.0.1.tgz",
+      "integrity": "sha512-lTlxriVoy2criHP0JKRhO2VDG9c2ypWCsT237eDiLqi09rmbKoUetyGHq2uOIRoRS//kfoJckS0eUzzkDR+k2Q==",
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         "argparse": "^2.0.1",
-        "entities": "~2.0.0",
-        "linkify-it": "^3.0.1",
+        "entities": "~3.0.1",
+        "linkify-it": "^4.0.1",
         "mdurl": "^1.0.1",
         "uc.micro": "^1.0.5"
       },
@@ -48,20 +54,20 @@
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     "node_modules/markdownlint": {
-      "version": "0.22.0",
-      "resolved": "https://registry.npmjs.org/markdownlint/-/markdownlint-0.22.0.tgz",
-      "integrity": "sha512-J4B+iMc12pOdp/wfYi03W2qfAfEyiZzq3qvQh/8vOMNU8vXYY6Jg440EY7dWTBCqROhb1i4nAn3BTByJ5kdx1w==",
+      "version": "0.26.2",
+      "resolved": "https://registry.npmjs.org/markdownlint/-/markdownlint-0.26.2.tgz",
+      "integrity": "sha512-2Am42YX2Ex5SQhRq35HxYWDfz1NLEOZWWN25nqd2h3AHRKsGRE+Qg1gt1++exW792eXTrR4jCNHfShfWk9Nz8w==",
       "dependencies": {
-        "markdown-it": "12.0.2"
+        "markdown-it": "13.0.1"
       },
       "engines": {
-        "node": ">=10"
+        "node": ">=14"
       }
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     "node_modules/mdurl": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/mdurl/-/mdurl-1.0.1.tgz",
-      "integrity": "sha1-/oWy7HWlkDfyrf7BAP1sYBdhFS4="
+      "integrity": "sha512-/sKlQJCBYVY9Ers9hqzKou4H6V5UWc/M59TH2dvkt+84itfnq7uFOMLpOiOS4ujvHP4etln18fmIxA5R5fll0g=="
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@@ -76,42 +82,42 @@
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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": "3.0.1",
+      "resolved": "https://registry.npmjs.org/entities/-/entities-3.0.1.tgz",
+      "integrity": "sha512-WiyBqoomrwMdFG1e0kqvASYfnlb0lp8M5o5Fw2OFq1hNZxxcNk8Ik0Xm7LxzBhuidnZB/UtBqVCgUz3kBOP51Q=="
     },
     "linkify-it": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/linkify-it/-/linkify-it-3.0.2.tgz",
-      "integrity": "sha512-gDBO4aHNZS6coiZCKVhSNh43F9ioIL4JwRjLZPkoLIY4yZFwg264Y5lu2x6rb1Js42Gh6Yqm2f6L2AJcnkzinQ==",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/linkify-it/-/linkify-it-4.0.1.tgz",
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-      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-12.0.2.tgz",
-      "integrity": "sha512-4Lkvjbv2kK+moL9TbeV+6/NHx+1Q+R/NIdUlFlkqkkzUcTod4uiyTJRiBidKR9qXSdkNFkgv+AELY8KN9vSgVA==",
+      "version": "13.0.1",
+      "resolved": "https://registry.npmjs.org/markdown-it/-/markdown-it-13.0.1.tgz",
+      "integrity": "sha512-lTlxriVoy2criHP0JKRhO2VDG9c2ypWCsT237eDiLqi09rmbKoUetyGHq2uOIRoRS//kfoJckS0eUzzkDR+k2Q==",
       "requires": {
         "argparse": "^2.0.1",
-        "entities": "~2.0.0",
-        "linkify-it": "^3.0.1",
+        "entities": "~3.0.1",
+        "linkify-it": "^4.0.1",
         "mdurl": "^1.0.1",
         "uc.micro": "^1.0.5"
       }
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     "markdownlint": {
-      "version": "0.22.0",
-      "resolved": "https://registry.npmjs.org/markdownlint/-/markdownlint-0.22.0.tgz",
-      "integrity": "sha512-J4B+iMc12pOdp/wfYi03W2qfAfEyiZzq3qvQh/8vOMNU8vXYY6Jg440EY7dWTBCqROhb1i4nAn3BTByJ5kdx1w==",
+      "version": "0.26.2",
+      "resolved": "https://registry.npmjs.org/markdownlint/-/markdownlint-0.26.2.tgz",
+      "integrity": "sha512-2Am42YX2Ex5SQhRq35HxYWDfz1NLEOZWWN25nqd2h3AHRKsGRE+Qg1gt1++exW792eXTrR4jCNHfShfWk9Nz8w==",
       "requires": {
-        "markdown-it": "12.0.2"
+        "markdown-it": "13.0.1"
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     "mdurl": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/mdurl/-/mdurl-1.0.1.tgz",
-      "integrity": "sha1-/oWy7HWlkDfyrf7BAP1sYBdhFS4="
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diff --git a/package.json b/package.json
index 5e9cc9a..ab87e23 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "description": "Node.js tools for the Pins team's English Handbook.",
   "dependencies": {
-    "markdownlint": "^0.22.0"
+    "markdownlint": "^0.26.2"
   },
   "devDependencies": {},
   "scripts": {