diff --git a/website/package.json b/website/package.json
index 6db4f13..4d50235 100644
--- a/website/package.json
+++ b/website/package.json
@@ -31,7 +31,7 @@
     "react-query": "^3.39.1",
     "swiss-maps": "^4.5.0",
     "topojson": "^3.0.2",
-    "typescript": "^5.3.3",
+    "typescript": "^5.4.2",
     "use-immer": "^0.8.1"
   },
   "devDependencies": {}
diff --git a/website/yarn.lock b/website/yarn.lock
index 5ba2136..70b013c 100644
--- a/website/yarn.lock
+++ b/website/yarn.lock
@@ -1922,10 +1922,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@^5.3.3:
-  version "5.3.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.3.3.tgz#b3ce6ba258e72e6305ba66f5c9b452aaee3ffe37"
-  integrity sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==
+typescript@^5.4.2:
+  version "5.4.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.4.2.tgz#0ae9cebcfae970718474fe0da2c090cad6577372"
+  integrity sha512-+2/g0Fds1ERlP6JsakQQDXjZdZMM+rqpamFZJEKh4kwTIn3iDkgKtby0CeNd5ATNZ4Ry1ax15TMx0W2V+miizQ==
 
 undici-types@~5.26.4:
   version "5.26.5"