diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..35c1876
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,9 @@
+android {
+  compileOptions {
+    sourceCompatibility JavaVersion.VERSION_1_8
+    targetCompatibility JavaVersion.VERSION_1_8
+  }
+  kotlinOptions {
+    jvmTarget = '1.8'
+  }
+}