diff --git a/CHANGELOG.md b/CHANGELOG.md
index 772d1bfa..cd07228d 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-mutants@latest` to 27.1.0.
+
 ## [2.81.3] - 2026-06-03
 
 - Update `vacuum@latest` to 0.28.3.
diff --git a/manifests/cargo-mutants.json b/manifests/cargo-mutants.json
index 8f59ccfe..9dfd502b 100644
--- a/manifests/cargo-mutants.json
+++ b/manifests/cargo-mutants.json
@@ -2,10 +2,13 @@
   "rust_crate": "cargo-mutants",
   "template": null,
   "latest": {
-    "version": "27.0.0"
+    "version": "27.1.0"
   },
   "27": {
-    "version": "27.0.0"
+    "version": "27.1.0"
+  },
+  "27.1": {
+    "version": "27.1.0"
   },
   "27.1.0": {
     "x86_64_linux_gnu": {