diff --git a/src/app/api/cron/health-check/route.ts b/src/app/api/cron/health-check/route.ts
index 12663eb..e5d3086 100644
--- a/src/app/api/cron/health-check/route.ts
+++ b/src/app/api/cron/health-check/route.ts
@@ -1,5 +1,5 @@
 import { db } from "@/server/db"
-import { headers } from "next/headers"
+import type { NextRequest } from "next/server"
 import { NextResponse } from "next/server"
 import { env } from "@/env"
 
@@ -7,14 +7,15 @@ import { env } from "@/env"
 export const dynamic = "force-dynamic"
 export const maxDuration = 59
 
-export async function GET() {
+export async function GET(request: NextRequest) {
   try {
     // Verify cron secret in production only
-    if (env.NODE_ENV === "production") {
-      const headersList = await headers()
-      const cronSecret = headersList.get("x-vercel-cron")
-      if (cronSecret !== env.CRON_SECRET) {
-        return NextResponse.json({ error: "Unauthorized" }, { status: 401 })
+    if (env.VERCEL_ENV === "production") {
+      const authHeader = request.headers.get("authorization")
+      if (authHeader !== `Bearer ${process.env.CRON_SECRET}`) {
+        return new Response("Unauthorized", {
+          status: 401,
+        })
       }
     }
 
diff --git a/src/components/organisms/header/header.tsx b/src/components/organisms/header/header.tsx
index 55e20f8..d18a999 100644
--- a/src/components/organisms/header/header.tsx
+++ b/src/components/organisms/header/header.tsx
@@ -150,7 +150,10 @@ export function Header() {
                 </Accordion>
 
                 <SheetClose asChild>
-                  <Link href="/docs" className="text-sm font-medium transition-colors hover:text-primary">
+                  <Link
+                    href="https://shop.schroedinger-hat.org/"
+                    className="text-sm font-medium transition-colors hover:text-primary"
+                  >
                     <Typography variant="navigationMobile">Merch</Typography>
                   </Link>
                 </SheetClose>
diff --git a/src/env.js b/src/env.js
index 608863b..7fb63dd 100644
--- a/src/env.js
+++ b/src/env.js
@@ -16,6 +16,7 @@ export const env = createEnv({
    */
   server: {
     NODE_ENV: z.enum(["development", "test", "production"]),
+    VERCEL_ENV: z.enum(["development", "test", "production"]).optional(),
     STRIPE_SECRET_KEY: z
       .string()
       .min(1)
@@ -48,6 +49,7 @@ export const env = createEnv({
    */
   runtimeEnv: {
     NODE_ENV: process.env.NODE_ENV,
+    VERCEL_ENV: process.env.VERCEL_ENV,
     STRIPE_SECRET_KEY: process.env.STRIPE_SECRET_KEY,
     STRIPE_MEMBERSHIP_PRICE_ID: process.env.STRIPE_MEMBERSHIP_PRICE_ID,
     NEXT_PUBLIC_SANITY_PROJECT_ID: process.env.NEXT_PUBLIC_SANITY_PROJECT_ID,