diff --git a/.changeset/good-carrots-flow.md b/.changeset/good-carrots-flow.md
new file mode 100644
index 000000000000..27e047633f1c
--- /dev/null
+++ b/.changeset/good-carrots-flow.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/adapter-node': patch
+---
+
+fix: use `strictRequires: true` when bundling output
diff --git a/packages/adapter-node/index.js b/packages/adapter-node/index.js
index ac16008bc176..85371fd9711a 100644
--- a/packages/adapter-node/index.js
+++ b/packages/adapter-node/index.js
@@ -57,7 +57,7 @@ export default function (opts = {}) {
 					// dependencies could have deep exports, so we need a regex
 					...Object.keys(pkg.dependencies || {}).map((d) => new RegExp(`^${d}(\\/.*)?$`))
 				],
-				plugins: [nodeResolve({ preferBuiltins: true }), commonjs(), json()]
+				plugins: [nodeResolve({ preferBuiltins: true }), commonjs({ strictRequires: true }), json()]
 			});
 
 			await bundle.write({