diff --git a/package.json b/package.json
index 7238c0b..c845c48 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@workos-inc/authkit-nextjs",
-  "version": "0.13.0",
+  "version": "0.13.1",
   "description": "Authentication and session helpers for using WorkOS & AuthKit with Next.js",
   "sideEffects": false,
   "type": "module",
@@ -38,7 +38,7 @@
     "eslint": "^8.29.0",
     "eslint-config-prettier": "^9.1.0",
     "eslint-plugin-require-extensions": "^0.1.3",
-    "next": "^14.1.3",
+    "next": "^15.0.1",
     "prettier": "^3.3.3",
     "typescript": "5.4.2",
     "typescript-eslint": "^7.2.0"
diff --git a/src/authkit-callback-route.ts b/src/authkit-callback-route.ts
index 7593cbb..ba79384 100644
--- a/src/authkit-callback-route.ts
+++ b/src/authkit-callback-route.ts
@@ -43,7 +43,16 @@ export function handleAuth(options: HandleAuthOptions = {}) {
           url.pathname = returnPathname;
         }
 
-        const response = NextResponse.redirect(url);
+        // Fall back to standard Response if NextResponse is not available.
+        // This is to support Next.js 13.
+        const response = NextResponse?.redirect
+          ? NextResponse.redirect(url)
+          : new Response(null, {
+              status: 302,
+              headers: {
+                Location: url.toString(),
+              },
+            });
 
         if (!accessToken || !refreshToken) throw new Error('response is missing tokens');
 
@@ -71,14 +80,20 @@ export function handleAuth(options: HandleAuthOptions = {}) {
   };
 
   function errorResponse() {
-    return NextResponse.json(
-      {
-        error: {
-          message: 'Something went wrong',
-          description: 'Couldn’t sign in. If you are not sure what happened, please contact your organization admin.',
-        },
+    const errorBody = {
+      error: {
+        message: 'Something went wrong',
+        description: "Couldn't sign in. If you are not sure what happened, please contact your organization admin.",
       },
-      { status: 500 },
-    );
+    };
+
+    // Use NextResponse if available, fallback to standard Response
+    // This is to support Next.js 13.
+    return NextResponse?.json
+      ? NextResponse.json(errorBody, { status: 500 })
+      : new Response(JSON.stringify(errorBody), {
+          status: 500,
+          headers: { 'Content-Type': 'application/json' },
+        });
   }
 }
diff --git a/src/session.ts b/src/session.ts
index 05d7203..37f1b13 100644
--- a/src/session.ts
+++ b/src/session.ts
@@ -81,12 +81,21 @@ async function updateSession(
   if (middlewareAuth.enabled && matchedPaths.length === 0 && !session) {
     if (debug) console.log(`Unauthenticated user on protected route ${request.url}, redirecting to AuthKit`);
 
-    return NextResponse.redirect(
-      await getAuthorizationUrl({
-        returnPathname: getReturnPathname(request.url),
-        redirectUri: redirectUri ?? WORKOS_REDIRECT_URI,
-      }),
-    );
+    const redirectTo = await getAuthorizationUrl({
+      returnPathname: getReturnPathname(request.url),
+      redirectUri: redirectUri ?? WORKOS_REDIRECT_URI,
+    });
+
+    // Fall back to standard Response if NextResponse is not available.
+    // This is to support Next.js 13.
+    return NextResponse?.redirect
+      ? NextResponse.redirect(redirectTo)
+      : new Response(null, {
+          status: 302,
+          headers: {
+            Location: redirectTo,
+          },
+        });
   }
 
   // If no session, just continue
@@ -317,8 +326,9 @@ async function getSessionFromHeader(): Promise<Session | undefined> {
   const hasMiddleware = Boolean(headersList.get(middlewareHeaderName));
 
   if (!hasMiddleware) {
+    const url = headersList.get('x-url');
     throw new Error(
-      "You are calling 'withAuth' on a path that isn’t covered by the AuthKit middleware. Make sure it is running on all paths you are calling withAuth from by updating your middleware config in `middleware.(js|ts)`.",
+      `You are calling 'withAuth' on ${url} that isn’t covered by the AuthKit middleware. Make sure it is running on all paths you are calling 'withAuth' from by updating your middleware config in 'middleware.(js|ts)'.`,
     );
   }
 
diff --git a/src/workos.ts b/src/workos.ts
index dfbb5d6..d689f6d 100644
--- a/src/workos.ts
+++ b/src/workos.ts
@@ -1,7 +1,7 @@
 import { WorkOS } from '@workos-inc/node';
 import { WORKOS_API_HOSTNAME, WORKOS_API_KEY, WORKOS_API_HTTPS, WORKOS_API_PORT } from './env-variables.js';
 
-export const VERSION = '0.13.0';
+export const VERSION = '0.13.1';
 
 const options = {
   apiHostname: WORKOS_API_HOSTNAME,