diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..c6d31ff
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,8 @@
+declare module 'react-native-has-hms' {
+    class Module {
+        static isGMSAvailable(): Promise<boolean>
+        static isHMSAvailable(): Promise<boolean>
+    }
+
+    export default Module
+}