diff --git a/tsconfig.app.json b/tsconfig.app.json
index 82d91dc..9838f74 100644
--- a/tsconfig.app.json
+++ b/tsconfig.app.json
@@ -10,6 +10,13 @@
     "src/polyfills.ts"
   ],
   "include": [
-    "src/**/*.d.ts"
+    "src/**/*.ts"
+  ],
+  "exclude": [
+    "src/test.ts",
+    "src/**/*.spec.ts"
+  ],
+  "types": [
+    "node"
   ]
 }
diff --git a/tsconfig.json b/tsconfig.json
index 529e497..d36a35c 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -5,7 +5,6 @@
     "baseUrl": "src",
     "outDir": "./dist/out-tsc",
     "forceConsistentCasingInFileNames": true,
-    "strict": true,
     "strictNullChecks": false,
     "noImplicitOverride": true,
     "noPropertyAccessFromIndexSignature": true,
@@ -20,7 +19,7 @@
     "moduleResolution": "node",
     "importHelpers": true,
     "target": "es6",
-    "module": "es2020",
+    "module": "esnext",
     "allowJs": true,
     "lib": [
       "es2015",