diff --git a/CHANGELOG.md b/CHANGELOG.md
index ca91ab64..f2d36f63 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 `cargo-crap@latest` to 0.4.0.
+
 ## [2.85.5] - 2026-07-30
 
 - Update `uv@latest` to 0.12.0.
diff --git a/manifests/cargo-crap.json b/manifests/cargo-crap.json
index 2e996043..827b3d74 100644
--- a/manifests/cargo-crap.json
+++ b/manifests/cargo-crap.json
@@ -23,7 +23,32 @@
     }
   },
   "latest": {
-    "version": "0.3.1"
+    "version": "0.4.0"
+  },
+  "0.4": {
+    "version": "0.4.0"
+  },
+  "0.4.0": {
+    "x86_64_linux_gnu": {
+      "etag": "0x8DEEEEDBD8167C1",
+      "hash": "d44ae57b0988e9e8cb33f40e1eae16343d76914e188a388da38f4dbf9119fbab"
+    },
+    "x86_64_macos": {
+      "etag": "0x8DEEEEDBD8C57F4",
+      "hash": "9dde4e7b134082808ac2a2da284df062a2023bef80986bfea8032b52c475f401"
+    },
+    "x86_64_windows": {
+      "etag": "0x8DEEEEDBD8A376F",
+      "hash": "2c4079e00326eec37a9b06dc23263fb2ba3e56ac53d14d20bf9f3d07d2bb29b6"
+    },
+    "aarch64_linux_gnu": {
+      "etag": "0x8DEEEEDBD892739",
+      "hash": "7889a302f83834447346acb3c4af6fe8a2323d2657692575a6361f4c686eae30"
+    },
+    "aarch64_macos": {
+      "etag": "0x8DEEEEDBD8CA5C0",
+      "hash": "70c90dd1b1edb94240b6760696b77818f92752a26ccd6b4c097ee75db11206e4"
+    }
   },
   "0.3": {
     "version": "0.3.1"