diff --git a/CHANGELOG.md b/CHANGELOG.md
index cd07228d..3e420bf1 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-neat@latest` to 0.4.0.
+
 - Update `cargo-mutants@latest` to 27.1.0.
 
 ## [2.81.3] - 2026-06-03
diff --git a/manifests/cargo-neat.json b/manifests/cargo-neat.json
index e40e7d4c..c2147783 100644
--- a/manifests/cargo-neat.json
+++ b/manifests/cargo-neat.json
@@ -23,7 +23,10 @@
     }
   },
   "latest": {
-    "version": "0.3.2"
+    "version": "0.4.0"
+  },
+  "0.4": {
+    "version": "0.4.0"
   },
   "0.4.0": {
     "x86_64_linux_musl": {