diff --git a/package-lock.json b/package-lock.json
index dc62dad..ded2e1c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10782,9 +10782,9 @@
       "dev": true
     },
     "preact": {
-      "version": "10.5.14",
-      "resolved": "https://registry.npmjs.org/preact/-/preact-10.5.14.tgz",
-      "integrity": "sha512-KojoltCrshZ099ksUZ2OQKfbH66uquFoxHSbnwKbTJHeQNvx42EmC7wQVWNuDt6vC5s3nudRHFtKbpY4ijKlaQ=="
+      "version": "10.21.0",
+      "resolved": "https://registry.npmjs.org/preact/-/preact-10.21.0.tgz",
+      "integrity": "sha512-aQAIxtzWEwH8ou+OovWVSVNlFImL7xUCwJX3YMqA3U8iKCNC34999fFOnWjYNsylgfPgMexpbk7WYOLtKr/mxg=="
     },
     "preact-cli": {
       "version": "3.0.2",
diff --git a/package.json b/package.json
index fafcae7..1b851e4 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "turndown": "^6.0.0"
   },
   "dependencies": {
-    "preact": "^10.5.14",
+    "preact": "^10.21.0",
     "preact-compat": "^3.19.0",
     "preact-render-to-string": "^5.1.19",
     "snarkdown": "^2.0.0"