diff --git a/package.json b/package.json
index db137e24..4713e057 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "typecheck": "tsc",
     "lint": "eslint \"**/*.{js,ts,tsx}\"",
     "clean": "del-cli android/build example/android/build example/android/app/build example/ios/build lib",
-    "prepare": "bob build",
+    "prepare": "npx react-native-builder-bob@^0.40.0 build",
     "nitrogen": "nitrogen",
     "release": "release-it",
     "dev:ios": "cd example && xed ios",
diff --git a/tsconfig.build.json b/tsconfig.build.json
index b9a3d250..9004dee5 100644
--- a/tsconfig.build.json
+++ b/tsconfig.build.json
@@ -1,4 +1,4 @@
 {
   "extends": "./tsconfig",
-  "exclude": ["example", "expo-example", "lib"]
+  "exclude": ["example", "expo-example", "lib", "**/__tests__"]
 }