diff --git a/package-lock.json b/package-lock.json
index 6fe85cd..9ed4d4e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.3.1",
       "license": "MIT",
       "devDependencies": {
-        "@biomejs/biome": "1.9.4",
+        "@biomejs/biome": "2.4.0",
         "@types/node": "20.19.1",
         "@vitest/coverage-v8": "2.0.5",
         "npm-run-all2": "6.2.6",
@@ -126,11 +126,10 @@
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@@ -142,20 +141,20 @@
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-        "@biomejs/cli-linux-x64": "1.9.4",
-        "@biomejs/cli-linux-x64-musl": "1.9.4",
-        "@biomejs/cli-win32-arm64": "1.9.4",
-        "@biomejs/cli-win32-x64": "1.9.4"
+        "@biomejs/cli-darwin-arm64": "2.4.0",
+        "@biomejs/cli-darwin-x64": "2.4.0",
+        "@biomejs/cli-linux-arm64": "2.4.0",
+        "@biomejs/cli-linux-arm64-musl": "2.4.0",
+        "@biomejs/cli-linux-x64": "2.4.0",
+        "@biomejs/cli-linux-x64-musl": "2.4.0",
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@@ -169,9 +168,9 @@
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-      "resolved": "https://registry.npmjs.org/@biomejs/cli-darwin-x64/-/cli-darwin-x64-1.9.4.tgz",
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+      "resolved": "https://registry.npmjs.org/@biomejs/cli-darwin-x64/-/cli-darwin-x64-2.4.0.tgz",
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@@ -185,9 +184,9 @@
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+      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-arm64/-/cli-linux-arm64-2.4.0.tgz",
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@@ -201,9 +200,9 @@
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-      "integrity": "sha512-v665Ct9WCRjGa8+kTr0CzApU0+XXtRgwmzIf1SeKSGAv+2scAlW6JR5PMFo6FzqqZ64Po79cKODKf3/AAmECqA==",
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+      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-arm64-musl/-/cli-linux-arm64-musl-2.4.0.tgz",
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@@ -217,9 +216,9 @@
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-      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-x64/-/cli-linux-x64-1.9.4.tgz",
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+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-x64/-/cli-linux-x64-2.4.0.tgz",
+      "integrity": "sha512-WVFOhsnzhrbMGOSIcB9yFdRV2oG2KkRRhIZiunI9gJqSU3ax9ErdnTxRfJUxZUI9NbzVxC60OCXNcu+mXfF/Tw==",
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@@ -233,9 +232,9 @@
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-      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-x64-musl/-/cli-linux-x64-musl-1.9.4.tgz",
-      "integrity": "sha512-gEhi/jSBhZ2m6wjV530Yy8+fNqG8PAinM3oV7CyO+6c3CEh16Eizm21uHVsyVBEB6RIM8JHIl6AGYCv6Q6Q9Tg==",
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+      "resolved": "https://registry.npmjs.org/@biomejs/cli-linux-x64-musl/-/cli-linux-x64-musl-2.4.0.tgz",
+      "integrity": "sha512-Omo0xhl63z47X+CrE5viEWKJhejJyndl577VoXg763U/aoATrK3r5+8DPh02GokWPeODX1Hek00OtjjooGan9w==",
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@@ -249,9 +248,9 @@
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-      "resolved": "https://registry.npmjs.org/@biomejs/cli-win32-arm64/-/cli-win32-arm64-1.9.4.tgz",
-      "integrity": "sha512-tlbhLk+WXZmgwoIKwHIHEBZUwxml7bRJgk0X2sPyNR3S93cdRq6XulAZRQJ17FYGGzWne0fgrXBKpl7l4M87Hg==",
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+      "resolved": "https://registry.npmjs.org/@biomejs/cli-win32-arm64/-/cli-win32-arm64-2.4.0.tgz",
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@@ -265,9 +264,9 @@
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@@ -6641,74 +6640,74 @@
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-        "@biomejs/cli-darwin-x64": "1.9.4",
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-        "@biomejs/cli-win32-arm64": "1.9.4",
-        "@biomejs/cli-win32-x64": "1.9.4"
+        "@biomejs/cli-darwin-arm64": "2.4.0",
+        "@biomejs/cli-darwin-x64": "2.4.0",
+        "@biomejs/cli-linux-arm64": "2.4.0",
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diff --git a/package.json b/package.json
index dcaef27..1ab028c 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   },
   "homepage": "https://github.com/korosuke613/linear-webhook#readme",
   "devDependencies": {
-    "@biomejs/biome": "1.9.4",
+    "@biomejs/biome": "2.4.0",
     "@types/node": "20.19.1",
     "@vitest/coverage-v8": "2.0.5",
     "npm-run-all2": "6.2.6",