diff --git a/package-lock.json b/package-lock.json
index f8cf33b..f811b04 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.0.1",
       "license": "MIT",
       "dependencies": {
-        "@mdn/browser-compat-data": "^4.0.0",
+        "@mdn/browser-compat-data": "^5.5.9",
         "@web/dev-server-core": "^0.7.0",
         "esbuild": "^0.19.11",
         "parse5": "^6.0.1",
@@ -576,9 +576,9 @@
       }
     },
     "node_modules/@mdn/browser-compat-data": {
-      "version": "4.2.1",
-      "resolved": "https://registry.npmjs.org/@mdn/browser-compat-data/-/browser-compat-data-4.2.1.tgz",
-      "integrity": "sha512-EWUguj2kd7ldmrF9F+vI5hUOralPd+sdsUnYbRy33vZTuZkduC1shE9TtEMEjAQwyfyMb4ole5KtjF8MsnQOlA=="
+      "version": "5.5.9",
+      "resolved": "https://registry.npmjs.org/@mdn/browser-compat-data/-/browser-compat-data-5.5.9.tgz",
+      "integrity": "sha512-36jBin7kGrMn+RC/8k9IKeKvZyMweA0sDNIthUbzSGTQasfMIp2naJ1e+ISUtzu/7RrpDjRh4BkVTSO6f0XArA=="
     },
     "node_modules/@nodelib/fs.scandir": {
       "version": "2.1.5",
diff --git a/package.json b/package.json
index becd74e..d61bebe 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "transform"
   ],
   "dependencies": {
-    "@mdn/browser-compat-data": "^4.0.0",
+    "@mdn/browser-compat-data": "^5.5.9",
     "@web/dev-server-core": "^0.7.0",
     "esbuild": "^0.19.11",
     "parse5": "^6.0.1",