diff --git a/package.json b/package.json
index b92f32b6..9ea6118a 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
   },
   "homepage": "https://github.com/opendevtools/telefonnummer#readme",
   "devDependencies": {
-    "@biomejs/biome": "1.3.3",
+    "@biomejs/biome": "1.4.0",
     "bun-types": "1.0.13",
     "rimraf": "5.0.5",
     "typescript": "5.3.2"