diff --git a/package-lock.json b/package-lock.json
index 25fe8bc..bd14501 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,7 +20,7 @@
         "jspreadsheet-ce": "^5.0.4",
         "marked": "^18.1.0",
         "pg": "^8.23.1",
-        "sanitize-html": "^2.17.7",
+        "sanitize-html": "^2.18.0",
         "turndown": "^7.2.4",
         "zod": "^4.6.5"
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@@ -30,7 +30,7 @@
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         "@types/pg": "^8.23.1",
-        "@types/sanitize-html": "^2.16.1",
+        "@types/sanitize-html": "^2.16.2",
         "@types/turndown": "^5.0.6",
         "tsx": "^4.23.15",
         "typescript": "^7.0.2"
@@ -824,118 +824,13 @@
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       "dev": true,
       "license": "MIT",
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-          "url": "https://github.com/sponsors/fb55"
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-    "node_modules/@types/sanitize-html/node_modules/domutils": {
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-      "resolved": "https://registry.npmjs.org/domutils/-/domutils-3.2.2.tgz",
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-        "node": ">=0.12"
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-        "url": "https://github.com/fb55/entities?sponsor=1"
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-    "node_modules/@types/sanitize-html/node_modules/htmlparser2": {
-      "version": "10.1.0",
-      "resolved": "https://registry.npmjs.org/htmlparser2/-/htmlparser2-10.1.0.tgz",
-      "integrity": "sha512-VTZkM9GWRAtEpveh7MSF6SjjrpNVNNVJfFup7xTY3UpFtm67foy9HDVXneLtFVt4pMz5kZtgNcvCniNFb1hlEQ==",
-      "dev": true,
-      "funding": [
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-        {
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-      "license": "MIT",
-      "dependencies": {
-        "domelementtype": "^2.3.0",
-        "domhandler": "^5.0.3",
-        "domutils": "^3.2.2",
-        "entities": "^7.0.1"
+        "htmlparser2": "^12.0"
       }
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     "node_modules/@types/send": {
@@ -2053,12 +1948,12 @@
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     },
     "node_modules/launder": {
-      "version": "1.7.1",
-      "resolved": "https://registry.npmjs.org/launder/-/launder-1.7.1.tgz",
-      "integrity": "sha512-mU6WRz5EusL9ZZuiZ5SO4Y6C0P9PAUR9iwdb6bzj4KDihm28DiHFw+/yk9DBH4f+Pv1wuzQ4e2jV3oQ7mkIqvw==",
+      "version": "1.7.2",
+      "resolved": "https://registry.npmjs.org/launder/-/launder-1.7.2.tgz",
+      "integrity": "sha512-DLg3HPnHUfBi5/MxMLmJD12dmlMpFEC2HgMW6vkZ/9JR0RU00kXoRGvDxAvFmdO0o610OA77i4FgNTLucmhDVg==",
       "license": "MIT",
       "dependencies": {
-        "dayjs": "^1.11.7"
+        "dayjs": "^1.11.23"
       }
     },
     "node_modules/marked": {
@@ -2498,18 +2393,18 @@
       "license": "MIT"
     },
     "node_modules/sanitize-html": {
-      "version": "2.17.7",
-      "resolved": "https://registry.npmjs.org/sanitize-html/-/sanitize-html-2.17.7.tgz",
-      "integrity": "sha512-PGtEkc9cbnedU3s9TmzDbpsZ8w086g/0Q8k8/oIO1NLNU3i5k9yn835CrjJSajp1KMmkisbO1qPXxNKO3welAg==",
+      "version": "2.18.0",
+      "resolved": "https://registry.npmjs.org/sanitize-html/-/sanitize-html-2.18.0.tgz",
+      "integrity": "sha512-CvY+PV+NBhxe3BnjFI5f//vEDKLULm9OlZArso7gdgVsWvanBuq9PNDx+/2llfL+8XFYa/UNBxvqRBg3TWU2Ug==",
       "license": "MIT",
       "dependencies": {
-        "deepmerge": "^4.2.2",
+        "deepmerge": "^4.3.1",
         "escape-string-regexp": "^4.0.0",
         "htmlparser2": "^12.0.0",
-        "is-plain-object": "^5.0.0",
-        "launder": "^1.7.1",
+        "is-plain-object": "^5.1.0",
+        "launder": "^1.7.2",
         "parse-srcset": "^1.0.2",
-        "postcss": "^8.3.11"
+        "postcss": "^8.5.27"
       },
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diff --git a/package.json b/package.json
index fab631a..f6810e3 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "jspreadsheet-ce": "^5.0.4",
     "marked": "^18.1.0",
     "pg": "^8.23.1",
-    "sanitize-html": "^2.17.7",
+    "sanitize-html": "^2.18.0",
     "turndown": "^7.2.4",
     "zod": "^4.6.5"
   },
@@ -47,7 +47,7 @@
     "@types/express": "^5.0.6",
     "@types/node": "^26.6.5",
     "@types/pg": "^8.23.1",
-    "@types/sanitize-html": "^2.16.1",
+    "@types/sanitize-html": "^2.16.2",
     "@types/turndown": "^5.0.6",
     "tsx": "^4.23.15",
     "typescript": "^7.0.2"