diff --git a/CHANGELOG.md b/CHANGELOG.md
index 550d3f58..b93e58e6 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 `wasmtime@latest` to 28.0.0.
+
 ## [2.46.17] - 2024-12-20
 
 - Update `release-plz@latest` to 0.3.112.
diff --git a/manifests/wasmtime.json b/manifests/wasmtime.json
index 77e6be79..04747a4f 100644
--- a/manifests/wasmtime.json
+++ b/manifests/wasmtime.json
@@ -28,7 +28,39 @@
   },
   "license_markdown": "[Apache-2.0 WITH LLVM-exception](https://github.com/bytecodealliance/wasmtime/blob/main/LICENSE)",
   "latest": {
-    "version": "27.0.0"
+    "version": "28.0.0"
+  },
+  "28": {
+    "version": "28.0.0"
+  },
+  "28.0": {
+    "version": "28.0.0"
+  },
+  "28.0.0": {
+    "x86_64_linux_gnu": {
+      "etag": "0x8DD211317831246",
+      "checksum": "677ce3ba138fff0ed6a03564ca7ac43a255d947973ac76e57a67a993d41246c8"
+    },
+    "x86_64_macos": {
+      "etag": "0x8DD2113188F83C5",
+      "checksum": "2a8973aec371c98dd598d5d11767f373d3d9fe520a8cded79e8c685d51384107"
+    },
+    "x86_64_windows": {
+      "etag": "0x8DD21131CCF91A6",
+      "checksum": "419c6ed54a7926a2594b64adfdd09042b00376691f8225b7187af5683146a878"
+    },
+    "aarch64_linux_gnu": {
+      "etag": "0x8DD21130D7038BA",
+      "checksum": "e869fea0b7011fe4f7bd226306891895ecdd226a01bfd0f2db56364b673b94b0"
+    },
+    "aarch64_macos": {
+      "etag": "0x8DD21130E705C04",
+      "checksum": "f0fbbd10c9eb71c02ff7d7160906686f26c6c23772e3000813628e02343795ef"
+    },
+    "aarch64_windows": {
+      "etag": "0x8DD21130FA03357",
+      "checksum": "64fe1aa27370bf54436ce48c5198310125e62c1719343226f77dfd0316ba0441"
+    }
   },
   "27": {
     "version": "27.0.0"