diff --git a/.changeset/mighty-melons-walk.md b/.changeset/mighty-melons-walk.md
new file mode 100644
index 000000000000..35e8447ba975
--- /dev/null
+++ b/.changeset/mighty-melons-walk.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/adapter-vercel': patch
+---
+
+Add sourcemap generation for the generated functions
diff --git a/packages/adapter-vercel/index.js b/packages/adapter-vercel/index.js
index ea8a6fac8e8b..c893881eff77 100644
--- a/packages/adapter-vercel/index.js
+++ b/packages/adapter-vercel/index.js
@@ -146,7 +146,8 @@ async function v1(builder, external) {
 		bundle: true,
 		platform: 'node',
 		external,
-		format: 'cjs'
+		format: 'cjs',
+		sourcemap: 'linked'
 	});
 
 	fs.writeFileSync(`${dirs.lambda}/package.json`, JSON.stringify({ type: 'commonjs' }));
@@ -302,7 +303,8 @@ async function v3(builder, external, edge, split) {
 			bundle: true,
 			platform: 'node',
 			format: 'esm',
-			external
+			external,
+			sourcemap: 'linked'
 		});
 
 		write(