diff --git a/CHANGELOG.md b/CHANGELOG.md
index c743a0dd..33120b8a 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 2.4.15.
+
 - Update `mise@latest` to 2026.5.4.
 
 - Update `cargo-deny@latest` to 0.19.5.
diff --git a/manifests/biome.json b/manifests/biome.json
index b00a94c0..12bba0f0 100644
--- a/manifests/biome.json
+++ b/manifests/biome.json
@@ -2,13 +2,13 @@
   "rust_crate": null,
   "template": null,
   "latest": {
-    "version": "2.4.14"
+    "version": "2.4.15"
   },
   "2": {
-    "version": "2.4.14"
+    "version": "2.4.15"
   },
   "2.4": {
-    "version": "2.4.14"
+    "version": "2.4.15"
   },
   "2.4.15": {
     "x86_64_linux_musl": {