diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8bb5eb57..c01165f2 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-deb@latest` to 3.6.4.
+
 ## [2.75.26] - 2026-04-29
 
 - Update `wasm-bindgen@latest` to 0.2.120.
diff --git a/manifests/cargo-deb.json b/manifests/cargo-deb.json
index 616a4fd1..52141dc3 100644
--- a/manifests/cargo-deb.json
+++ b/manifests/cargo-deb.json
@@ -7,13 +7,13 @@
     }
   },
   "latest": {
-    "version": "3.6.3"
+    "version": "3.6.4"
   },
   "3": {
-    "version": "3.6.3"
+    "version": "3.6.4"
   },
   "3.6": {
-    "version": "3.6.3"
+    "version": "3.6.4"
   },
   "3.6.4": {
     "x86_64_linux_gnu": {