diff --git a/packages/core/package.json b/packages/core/package.json
index fafa9e549..4d577afdc 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -18,8 +18,8 @@
   ],
   "scripts": {
     "build": "pnpm run clean && pnpm run build:dist && pnpm run build:types",
-    "build:dist": "tsup",
-    "build:types": "tsc --emitDeclarationOnly",
+    "build:dist": "tsup --tsconfig tsconfig.build.json",
+    "build:types": "tsc --emitDeclarationOnly --project tsconfig.build.json",
     "clean": "rimraf dist types",
     "lint": "biome check . --apply",
     "lint:check": "biome check . --verbose",
diff --git a/packages/core/tsconfig.build.json b/packages/core/tsconfig.build.json
new file mode 100644
index 000000000..177eb2938
--- /dev/null
+++ b/packages/core/tsconfig.build.json
@@ -0,0 +1,11 @@
+{
+  "extends": "tsconfig/base.json",
+  "compilerOptions": {
+    "rootDir": "src",
+    "outDir": "types",
+    "declaration": true,
+    "sourceMap": true,
+    "declarationMap": true
+  },
+  "include": ["src"]
+}
diff --git a/packages/core/tsconfig.json b/packages/core/tsconfig.json
index 8d8c8bf96..f210b2a2f 100644
--- a/packages/core/tsconfig.json
+++ b/packages/core/tsconfig.json
@@ -1,13 +1,10 @@
 {
-  "extends": "tsconfig/base.json",
+  "extends": "./tsconfig.build.json",
   "compilerOptions": {
-    "rootDir": "src",
-    "outDir": "types",
-    "declaration": true,
-    "sourceMap": true,
-    "declarationMap": true
+    "rootDir": "."
   },
   "include": [
-    "src"
+    "src",
+    "test"
   ]
 }