diff --git a/packages/sandpack-core/src/resolver/resolver.test.ts b/packages/sandpack-core/src/resolver/resolver.test.ts
index 75c94bc40f1..e97818ab34e 100644
--- a/packages/sandpack-core/src/resolver/resolver.test.ts
+++ b/packages/sandpack-core/src/resolver/resolver.test.ts
@@ -191,7 +191,7 @@ describe('resolve', () => {
         isFile,
         readFile,
       });
-      expect(resolved).toBe('/node_modules/solid-js/dist/solid.cjs');
+      expect(resolved).toBe('/node_modules/solid-js/dist/solid.js');
     });
 
     it('should fall back to index.js when it cannot find package.main', () => {
@@ -535,7 +535,7 @@ describe('resolve', () => {
         isFile,
         readFile,
       });
-      expect(resolved).toBe('/node_modules/its-fine/out/index.cjs');
+      expect(resolved).toBe('/node_modules/its-fine/out/index.js');
     });
 
     it('resolve fflate correctly', () => {
@@ -545,7 +545,7 @@ describe('resolve', () => {
         isFile,
         readFile,
       });
-      expect(resolved).toBe('/node_modules/fflate/lib/index.cjs');
+      expect(resolved).toBe('/node_modules/fflate/esm/browser.js');
     });
 
     // We should still post process imports using the browser field even when a package has exports
diff --git a/packages/sandpack-core/src/resolver/utils/__snapshots__/pkg-json.test.ts.snap b/packages/sandpack-core/src/resolver/utils/__snapshots__/pkg-json.test.ts.snap
index 7b4367c2343..11a0f0f3790 100644
--- a/packages/sandpack-core/src/resolver/utils/__snapshots__/pkg-json.test.ts.snap
+++ b/packages/sandpack-core/src/resolver/utils/__snapshots__/pkg-json.test.ts.snap
@@ -3,19 +3,19 @@
 exports[`process package.json Should correctly handle nested pkg#exports fields (solid-js) 1`] = `
 {
   "aliases": {
-    "/node_modules/solid-js": "/node_modules/solid-js/dist/solid.cjs",
+    "/node_modules/solid-js": "/node_modules/solid-js/dist/solid.js",
     "/node_modules/solid-js/dist/*": "/node_modules/solid-js/dist/$1",
     "/node_modules/solid-js/dist/server.cjs": "/node_modules/solid-js/dist/solid.cjs",
     "/node_modules/solid-js/dist/server.js": "/node_modules/solid-js/dist/solid.js",
-    "/node_modules/solid-js/h": "/node_modules/solid-js/h/dist/h.cjs",
+    "/node_modules/solid-js/h": "/node_modules/solid-js/h/dist/h.js",
     "/node_modules/solid-js/h/dist/*": "/node_modules/solid-js/h/dist/$1",
-    "/node_modules/solid-js/html": "/node_modules/solid-js/html/dist/html.cjs",
+    "/node_modules/solid-js/html": "/node_modules/solid-js/html/dist/html.js",
     "/node_modules/solid-js/html/dist/*": "/node_modules/solid-js/html/dist/$1",
-    "/node_modules/solid-js/store": "/node_modules/solid-js/store/dist/store.cjs",
+    "/node_modules/solid-js/store": "/node_modules/solid-js/store/dist/store.js",
     "/node_modules/solid-js/store/dist/*": "/node_modules/solid-js/store/dist/$1",
-    "/node_modules/solid-js/universal": "/node_modules/solid-js/universal/dist/dev.cjs",
+    "/node_modules/solid-js/universal": "/node_modules/solid-js/universal/dist/dev.js",
     "/node_modules/solid-js/universal/dist/*": "/node_modules/solid-js/universal/dist/$1",
-    "/node_modules/solid-js/web": "/node_modules/solid-js/web/dist/web.cjs",
+    "/node_modules/solid-js/web": "/node_modules/solid-js/web/dist/web.js",
     "/node_modules/solid-js/web/dist/*": "/node_modules/solid-js/web/dist/$1",
   },
   "hasExports": true,