diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6898d49a..1db31db5 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-llvm-cov@latest` to 0.9.0.
+
 ## [2.86.2] - 2026-08-17
 
 - Update `uv@latest` to 0.12.5.
diff --git a/manifests/cargo-llvm-cov.json b/manifests/cargo-llvm-cov.json
index 1b453b69..8f879805 100644
--- a/manifests/cargo-llvm-cov.json
+++ b/manifests/cargo-llvm-cov.json
@@ -30,7 +30,10 @@
     }
   },
   "latest": {
-    "version": "0.8.7"
+    "version": "0.9.0"
+  },
+  "0.9": {
+    "version": "0.9.0"
   },
   "0.9.0": {
     "x86_64_linux_musl": {