diff --git a/CHANGELOG.md b/CHANGELOG.md
index f9f337cc..64eb470b 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 `tombi@latest` to 0.9.12.
+
 - Update `biome@latest` to 2.4.10.
 
 ## [2.70.2] - 2026-03-30
diff --git a/manifests/tombi.json b/manifests/tombi.json
index 004c2abd..7d6945d6 100644
--- a/manifests/tombi.json
+++ b/manifests/tombi.json
@@ -22,10 +22,36 @@
   },
   "license_markdown": "[MIT](https://github.com/tombi-toml/tombi/blob/main/LICENSE)",
   "latest": {
-    "version": "0.9.11"
+    "version": "0.9.12"
   },
   "0.9": {
-    "version": "0.9.11"
+    "version": "0.9.12"
+  },
+  "0.9.12": {
+    "x86_64_linux_musl": {
+      "etag": "0x8DE8E7577C157C6",
+      "hash": "79236f1175331e3d189e54103d12ed957eed53d4ccc0a0eb9299f30102c7dda1"
+    },
+    "x86_64_macos": {
+      "etag": "0x8DE8E7577BA0D09",
+      "hash": "9a1b1463135f88493500dc1abfea9777a6e2f4f980dcfbe7b150cc41f4ccb474"
+    },
+    "x86_64_windows": {
+      "etag": "0x8DE8E7577D14B62",
+      "hash": "f60bd33e0bddaaa4ca556d82229ff7a833119b63accfca14f62c0175a2f5b4d0"
+    },
+    "aarch64_linux_musl": {
+      "etag": "0x8DE8E7577C413D4",
+      "hash": "e0d333c04d75980a6f28d1f476e8b2182e03f58c74cfbe0706e2249d1d666dc8"
+    },
+    "aarch64_macos": {
+      "etag": "0x8DE8E7578A33F60",
+      "hash": "98c6d08b6102ce0498208ef55d14861c197f131a42a9add020aa0d076636d166"
+    },
+    "aarch64_windows": {
+      "etag": "0x8DE8E7578703417",
+      "hash": "55b186788381c89ad1a18b8bf0c2ffe9cb0eb270efe1cab406edb845b3743a50"
+    }
   },
   "0.9.11": {
     "x86_64_linux_musl": {