diff --git a/package-lock.json b/package-lock.json
index 5a8a5a81..c019f506 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,8 +9,8 @@
       "version": "1.0.0",
       "license": "Apache-2.0",
       "dependencies": {
-        "brotli-wasm": "2.0.1",
-        "mime": "3.0.0",
+        "brotli-wasm": "3.0.1",
+        "mime": "4.1.0",
         "worktop": "0.7.3"
       },
       "devDependencies": {
@@ -2948,9 +2948,13 @@
       }
     },
     "node_modules/brotli-wasm": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/brotli-wasm/-/brotli-wasm-2.0.1.tgz",
-      "integrity": "sha512-+3USgYsC7bzb5yU0/p2HnnynZl0ak0E6uoIm4UW4Aby/8s8HFCq6NCfrrf1E9c3O8OCSzq3oYO1tUVqIi61Nww=="
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/brotli-wasm/-/brotli-wasm-3.0.1.tgz",
+      "integrity": "sha512-U3K72/JAi3jITpdhZBqzSUq+DUY697tLxOuFXB+FpAE/Ug+5C3VZrv4uA674EUZHxNAuQ9wETXNqQkxZD6oL4A==",
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=v18.0.0"
+      }
     },
     "node_modules/browser-process-hrtime": {
       "version": "1.0.0",
@@ -6143,13 +6147,18 @@
       }
     },
     "node_modules/mime": {
-      "version": "3.0.0",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/mime/-/mime-4.1.0.tgz",
+      "integrity": "sha512-X5ju04+cAzsojXKes0B/S4tcYtFAJ6tTMuSPBEn9CPGlrWr8Fiw7qYeLT0XyH80HSoAoqWCaz+MWKh22P7G1cw==",
+      "funding": [
+        "https://github.com/sponsors/broofa"
+      ],
       "license": "MIT",
       "bin": {
-        "mime": "cli.js"
+        "mime": "bin/cli.js"
       },
       "engines": {
-        "node": ">=10.0.0"
+        "node": ">=16"
       }
     },
     "node_modules/mime-db": {
diff --git a/package.json b/package.json
index 9f36cf15..0c0f4914 100644
--- a/package.json
+++ b/package.json
@@ -12,8 +12,8 @@
   "author": "The AMP HTML Authors",
   "license": "Apache-2.0",
   "dependencies": {
-    "brotli-wasm": "2.0.1",
-    "mime": "3.0.0",
+    "brotli-wasm": "3.0.1",
+    "mime": "4.1.0",
     "worktop": "0.7.3"
   },
   "devDependencies": {