diff --git a/CHANGELOG.md b/CHANGELOG.md
index 53b6d3da..6771f75e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,8 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 
 ## [Unreleased]
 
+- Update `biome@latest` to 2.4.12.
+
 ## [2.75.14] - 2026-04-15
 
 - Implement potential workaround for [windows-11-arm runner bug](https://github.com/actions/partner-runner-images/issues/169) which sometimes causes installation failure.
diff --git a/manifests/biome.json b/manifests/biome.json
index 862220c4..99fa19e9 100644
--- a/manifests/biome.json
+++ b/manifests/biome.json
@@ -2,13 +2,13 @@
   "rust_crate": null,
   "template": null,
   "latest": {
-    "version": "2.4.11"
+    "version": "2.4.12"
   },
   "2": {
-    "version": "2.4.11"
+    "version": "2.4.12"
   },
   "2.4": {
-    "version": "2.4.11"
+    "version": "2.4.12"
   },
   "2.4.12": {
     "x86_64_linux_musl": {