diff --git a/package.json b/package.json
index 23c2eed54a..492cefa6f6 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,7 @@
     "node": "^14.15.0 || >=16.10.0"
   },
   "main": "build/index.js",
+  "typings": "build/index.d.ts",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/thymikee/jest-preset-angular.git"
diff --git a/src/serializers/ng-snapshot.ts b/src/serializers/ng-snapshot.ts
index b5c1500472..14b4f1e0fd 100644
--- a/src/serializers/ng-snapshot.ts
+++ b/src/serializers/ng-snapshot.ts
@@ -70,4 +70,4 @@ const test: OldPlugin['test'] = (val) => !!val && typeof val === 'object' && 'co
 export = {
     print,
     test,
-} as OldPlugin;
+};
diff --git a/tsconfig.build.json b/tsconfig.build.json
index 898508c36f..500cd4c8b2 100644
--- a/tsconfig.build.json
+++ b/tsconfig.build.json
@@ -4,7 +4,8 @@
     "outDir": "./build",
     "allowJs": true,
     "removeComments": true,
-    "stripInternal": true
+    "stripInternal": true,
+    "declaration": true
   },
   "include": ["src"],
   "exclude": ["**/*.spec.ts", "src/transformers/jit_transform.js"]