diff --git a/package.json b/package.json
index e87b246..d3fc92b 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "license": "MIT",
   "main": "./lib/CLI.js",
   "typings": "./lib/index.d.ts",
-  "version": "2.0.0-alpha-8",
+  "version": "2.0.0-alpha-9",
   "dependencies": {
     "chalk": "^2.3.0"
   },
diff --git a/src/Core/Actions/Typings.ts b/src/Core/Actions/Typings.ts
index 5bab593..db07445 100644
--- a/src/Core/Actions/Typings.ts
+++ b/src/Core/Actions/Typings.ts
@@ -38,7 +38,14 @@ class Script extends UpdateScript {
       }
 
       const tsconfig = await project.json<TsConfig>('tsconfig.json')
-      tsconfig.compilerOptions.types = await this.gatherTypeDefinitions(project)
+      const declarations: string[] = []
+
+      await Promise.all(project.children.map(async child => {
+        const dependencies = await this.gatherTypeDefinitions(project)
+        dependencies.forEach(dependency => declarations.push(dependency))
+      }))
+
+      tsconfig.compilerOptions.types = declarations.sort()
 
       if (this.testing) {
         this.log.task('tsconfig', JSON.stringify(tsconfig, null, 2))