diff --git a/package-lock.json b/package-lock.json
index 5faa09f..0464ce6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,11 +13,11 @@
         "cheap-glkote": "^0.4.0",
         "emglken": "^0.3.3",
         "lz-string": "^1.4.4",
-        "preact": "^10.5.12",
+        "preact": "^10.15.0",
         "wouter-preact": "^2.7.3"
       },
       "devDependencies": {
-        "buffer": "^5.7.1",
+        "buffer": "^6.0.3",
         "crypto-browserify": "^3.12.0",
         "eslint": "^8.41.0",
         "eslint-config-preact": "^1.3.0",
@@ -2795,9 +2795,9 @@
       }
     },
     "node_modules/buffer": {
-      "version": "5.7.1",
-      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
-      "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.3.tgz",
+      "integrity": "sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==",
       "dev": true,
       "funding": [
         {
@@ -2815,7 +2815,7 @@
       ],
       "dependencies": {
         "base64-js": "^1.3.1",
-        "ieee754": "^1.1.13"
+        "ieee754": "^1.2.1"
       }
     },
     "node_modules/buffer-from": {
@@ -5696,9 +5696,9 @@
       }
     },
     "node_modules/preact": {
-      "version": "10.14.1",
-      "resolved": "https://registry.npmjs.org/preact/-/preact-10.14.1.tgz",
-      "integrity": "sha512-4XDSnUisk3YFBb3p9WeKeH1mKoxdFUsaXcvxs9wlpYR1wax/TWJVqhwmIWbByX0h7jMEJH6Zc5J6jqc58FKaNQ==",
+      "version": "10.15.0",
+      "resolved": "https://registry.npmjs.org/preact/-/preact-10.15.0.tgz",
+      "integrity": "sha512-nZSa8M2R2m1n7nJSBlzDpxRJaIsejrTO1vlFbdpFvyC8qM1iU+On2y0otfoUm6SRB5o0lF0CKDFxg6grEFU0iQ==",
       "funding": {
         "type": "opencollective",
         "url": "https://opencollective.com/preact"
diff --git a/package.json b/package.json
index d6d3bf2..93a5409 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
     "preact/jsx-dev-runtime": "preact/jsx-runtime"
   },
   "devDependencies": {
-    "buffer": "^5.7.1",
+    "buffer": "^6.0.3",
     "crypto-browserify": "^3.12.0",
     "eslint": "^8.41.0",
     "eslint-config-preact": "^1.3.0",
@@ -33,7 +33,7 @@
     "cheap-glkote": "^0.4.0",
     "emglken": "^0.3.3",
     "lz-string": "^1.4.4",
-    "preact": "^10.5.12",
+    "preact": "^10.15.0",
     "wouter-preact": "^2.7.3"
   },
   "staticFiles": {