diff --git a/CHANGELOG.md b/CHANGELOG.md
index e456e055..c743a0dd 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 `mise@latest` to 2026.5.4.
+
 - Update `cargo-deny@latest` to 0.19.5.
 
 ## [2.77.4] - 2026-05-10
diff --git a/manifests/mise.json b/manifests/mise.json
index c0b79887..ea0942eb 100644
--- a/manifests/mise.json
+++ b/manifests/mise.json
@@ -27,13 +27,39 @@
     }
   },
   "latest": {
-    "version": "2026.5.3"
+    "version": "2026.5.4"
   },
   "2026": {
-    "version": "2026.5.3"
+    "version": "2026.5.4"
   },
   "2026.5": {
-    "version": "2026.5.3"
+    "version": "2026.5.4"
+  },
+  "2026.5.5": {
+    "x86_64_linux_musl": {
+      "etag": "0x8DEAE84398D4E86",
+      "hash": "417fa46792d4b2b9a4cd3682e9fb58962139bb736509722d858b86199b3f45a7"
+    },
+    "x86_64_macos": {
+      "etag": "0x8DEAE843BAB0D4F",
+      "hash": "b1e363263ced6bb20a2da7989fb3dda213dfd47df56ba35e64597db92d931098"
+    },
+    "x86_64_windows": {
+      "etag": "0x8DEAE843C9AEED7",
+      "hash": "d67c4c001e368a9f403c11d268c5ffcfeba586466eedb9db3d1ade77233a4e16"
+    },
+    "aarch64_linux_musl": {
+      "etag": "0x8DEAE84365F0486",
+      "hash": "2694824cccf8cbfdac95062c1958e6e316e3f4cc8681a3300b388cbb8d35ab20"
+    },
+    "aarch64_macos": {
+      "etag": "0x8DEAE843B292925",
+      "hash": "2994f42540fee4291a895cc5e3521df229e358884e401033b7dcc5e21eacbc1b"
+    },
+    "aarch64_windows": {
+      "etag": "0x8DEAE843C6B1412",
+      "hash": "06587ba66d031b1f3fbef3b9a1b4df7731bab0a7de350f67a3156cdcf4e28bd2"
+    }
   },
   "2026.5.4": {
     "x86_64_linux_musl": {