diff --git a/CHANGELOG.md b/CHANGELOG.md
index 63293300c..bf4710675 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,8 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 
 ## [Unreleased]
 
+- Update `biome@latest` to 1.9.4.
+
 ## [2.44.39] - 2024-10-16
 
 - Update `release-plz@latest` to 0.3.102.
diff --git a/manifests/biome.json b/manifests/biome.json
index 97e0d4970..835675504 100644
--- a/manifests/biome.json
+++ b/manifests/biome.json
@@ -36,13 +36,39 @@
   },
   "license_markdown": "[Apache-2.0](https://github.com/biomejs/biome/blob/main/LICENSE-APACHE) OR [MIT](https://github.com/biomejs/biome/blob/main/LICENSE-MIT)",
   "latest": {
-    "version": "1.9.3"
+    "version": "1.9.4"
   },
   "1": {
-    "version": "1.9.3"
+    "version": "1.9.4"
   },
   "1.9": {
-    "version": "1.9.3"
+    "version": "1.9.4"
+  },
+  "1.9.4": {
+    "x86_64_linux_musl": {
+      "etag": "0x8DCEED40A07FEFE",
+      "checksum": "02ca13dcbb5d78839e743b315b03c8c8832fa8178bb81c5e29ae5ad45ce96b82"
+    },
+    "x86_64_macos": {
+      "etag": "0x8DCEED40A1080E8",
+      "checksum": "ea7b814a783fe2333a88dc12c13ae716033df23db78a110b761ad974cf567ba8"
+    },
+    "x86_64_windows": {
+      "etag": "0x8DCEED40A23F311",
+      "checksum": "f41b4f3ff2e6366926f932ed8c07849f81c5d08b74394bf78de1d88ba0f2c807"
+    },
+    "aarch64_linux_musl": {
+      "etag": "0x8DCEED40A3FC035",
+      "checksum": "d34937f7b5a6f816af289e972bfd49827921ed43f44547f78180f3e4f539cc41"
+    },
+    "aarch64_macos": {
+      "etag": "0x8DCEED40A09F88F",
+      "checksum": "c68f2cbe09e9485426a749353a155b1d22c130c6ccdadc7772d603eb247b9a9d"
+    },
+    "aarch64_windows": {
+      "etag": "0x8DCEED40A04CE3C",
+      "checksum": "fb84cab7f614258b3f6868635ada27391380753b807e3d112a054bc78cc8a948"
+    }
   },
   "1.9.3": {
     "x86_64_linux_musl": {