diff --git a/npm/lib/node-platform.ts b/npm/lib/node-platform.ts
index ae9264b4bd1..2901c08c3a3 100644
--- a/npm/lib/node-platform.ts
+++ b/npm/lib/node-platform.ts
@@ -18,6 +18,7 @@ export const knownPackages: Record<string, string> = {
   "linux arm64 LE": "@cloudflare/workerd-linux-arm64",
   "linux x64 LE": "@cloudflare/workerd-linux-64",
   "win32 x64 LE": "@cloudflare/workerd-windows-64",
+  "win32 arm64 LE": "@cloudflare/workerd-windows-64",
 };
 
 const maybeExeExtension = process.platform === "win32" ? ".exe" : "";
diff --git a/npm/workerd-windows-64/package.json b/npm/workerd-windows-64/package.json
index caa9ceef6b5..716b234ac3d 100644
--- a/npm/workerd-windows-64/package.json
+++ b/npm/workerd-windows-64/package.json
@@ -11,7 +11,8 @@
     "win32"
   ],
   "cpu": [
-    "x64"
+    "x64",
+    "arm64"
   ],
   "version": "1.20220926.0"
 }