diff --git a/CHANGELOG.md b/CHANGELOG.md
index e2a56a9f..4cbcd8b7 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-binstall@latest` to 1.6.6.
+
 - Update `cargo-tarpaulin@latest` to 0.30.0.
 
 ## [2.33.20] - 2024-05-09
diff --git a/manifests/cargo-binstall.json b/manifests/cargo-binstall.json
index 30768633..b774a804 100644
--- a/manifests/cargo-binstall.json
+++ b/manifests/cargo-binstall.json
@@ -21,26 +21,26 @@
     }
   },
   "latest": {
-    "version": "1.6.5"
+    "version": "1.6.6"
   },
-  "1.6.5": {
+  "1.6.6": {
     "x86_64_linux_musl": {
-      "checksum": "cf75df98ab1cc87f10965bfb1860b30cf36772bc526a42032f54ea015715ff6d"
+      "checksum": "49f891fddf795f33b02c0ea58d7af7a7dc087fbb47a504ca1bf69f403f711c46"
     },
     "x86_64_macos": {
-      "checksum": "48fe250714e024c9613b2b40aeb23f36e38ea6ea6815bef113a6db2b3d6f6863"
+      "checksum": "7c7e59c116fc452cedfd7142224729ec8e6ec4ff1962fda3a3e87e1c7c51fbb9"
     },
     "x86_64_windows": {
-      "checksum": "0da0dbdf8f6801f756f5e1d9324b6f495d5288d06550adba336a521fe28c338d"
+      "checksum": "5556b4d1c829b854dc71ca3b258950227957d7f9c258f808d8eb15849810a9b4"
     },
     "aarch64_linux_musl": {
-      "checksum": "39f8be366705021d56c07a01760ae8c37be9cd4fff72762f0303f0f8ddba0a17"
+      "checksum": "141b546d52353657706e63ee596f2637c4b34b1705aaa9ec716db74f813d436f"
     },
     "aarch64_macos": {
-      "checksum": "2860674913f7f2ea7808b7f423a8a56f612a4f2971b87423c4d039e902eceaaa"
+      "checksum": "6670805e15799cc6caa5ac35f0c0bc599ee6d51cdf2f21346deeaaf821e763a8"
     },
     "aarch64_windows": {
-      "checksum": "f4d73bd068f0660bae395222b2414f0eb14b1492cb3a00bc354c852eefdccc64"
+      "checksum": "bf7321de10806e051868819c3fe61127f5bac1619181c955da06f5e06c2612e8"
     }
   }
 }