diff --git a/e2e/tsconfig.json b/e2e/tsconfig.json
index 2463c4ce..9abcd7e5 100644
--- a/e2e/tsconfig.json
+++ b/e2e/tsconfig.json
@@ -1,8 +1,14 @@
 {
   "extends": "@rslib/tsconfig/base",
   "compilerOptions": {
-    "noEmit": true
+    "noEmit": true,
+    "composite": true
   },
   "include": ["cases", "playwright.config.ts", "cases/**/*.test.ts", "scripts"],
-  "exclude": ["**/node_modules", "**/.*/"]
+  "exclude": ["**/node_modules", "**/.*/"],
+  "references": [
+    {
+      "path": "../packages/core"
+    }
+  ]
 }
diff --git a/packages/core/tsconfig.json b/packages/core/tsconfig.json
index 15d63dfe..7cdecd6e 100644
--- a/packages/core/tsconfig.json
+++ b/packages/core/tsconfig.json
@@ -6,6 +6,7 @@
     "rootDir": "src",
     "declaration": true,
     "declarationDir": "./dist-types",
+    "composite": true,
     "module": "ESNext",
     "moduleResolution": "Bundler",
     "paths": {