diff --git a/CHANGELOG.md b/CHANGELOG.md
index f8fc1f73..25f9ac3f 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 `shfmt@latest` to 3.12.0.
+
 ## [2.56.6] - 2025-07-06
 
 - Update `cargo-llvm-cov@latest` to 0.6.17.
diff --git a/manifests/shfmt.json b/manifests/shfmt.json
index a3eda43b..ee1eb129 100644
--- a/manifests/shfmt.json
+++ b/manifests/shfmt.json
@@ -19,10 +19,35 @@
   },
   "license_markdown": "[BSD-3-Clause](https://github.com/mvdan/sh/blob/master/LICENSE)",
   "latest": {
-    "version": "3.11.0"
+    "version": "3.12.0"
   },
   "3": {
-    "version": "3.11.0"
+    "version": "3.12.0"
+  },
+  "3.12": {
+    "version": "3.12.0"
+  },
+  "3.12.0": {
+    "x86_64_linux_musl": {
+      "etag": "0x8DDBCD22E9E6DED",
+      "checksum": "d9fbb2a9c33d13f47e7618cf362a914d029d02a6df124064fff04fd688a745ea"
+    },
+    "x86_64_macos": {
+      "etag": "0x8DDBCD22E5CA5D4",
+      "checksum": "c31548693de6584e6164b7ed5fbb7b4a083f2d937ca94b4e0ddf59aa461a85e4"
+    },
+    "x86_64_windows": {
+      "etag": "0x8DDBCD22D498519",
+      "checksum": "c8bda517ba1c640ce4a715c0fa665439ddbe4357ba5e9b77b0e51e70e2b9c94b"
+    },
+    "aarch64_linux_musl": {
+      "etag": "0x8DDBCD22EDDC7C2",
+      "checksum": "5f3fe3fa6a9f766e6a182ba79a94bef8afedafc57db0b1ad32b0f67fae971ba4"
+    },
+    "aarch64_macos": {
+      "etag": "0x8DDBCD22D8D46C6",
+      "checksum": "d903802e0ce3ecbc82b98512f55ba370b0d37a93f3f78de394f5b657052b33dd"
+    }
   },
   "3.11": {
     "version": "3.11.0"