diff --git a/src/cache.service.ts b/src/cache.service.ts
index db00efe..0f13e63 100644
--- a/src/cache.service.ts
+++ b/src/cache.service.ts
@@ -18,6 +18,7 @@ export const MESSAGES = {
 
 export type CacheValueFactory<T> = () => Promise<T>;
 
+// @dynamic
 @Injectable()
 export class CacheService {
   private ttl: number = 60 * 60; // one hour
diff --git a/tsconfig.json b/tsconfig.json
index 7ed404d..3341d01 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,5 +1,6 @@
 {
   "compilerOptions": {
+    "rootDir": "src",
     "module": "esnext",
     "target": "es5",
     "moduleResolution": "node",
@@ -23,7 +24,7 @@
   ],
   "angularCompilerOptions": {
     "fullTemplateTypeCheck": true,
-    "strictMetadataEmit": false,
+    "strictMetadataEmit": true,
     "skipTemplateCodegen": true,
     "debug": false
   }