diff --git a/EpcQrCodeAndroidApp/build.gradle.kts b/EpcQrCodeAndroidApp/build.gradle.kts
index d9fb213..63ae66b 100644
--- a/EpcQrCodeAndroidApp/build.gradle.kts
+++ b/EpcQrCodeAndroidApp/build.gradle.kts
@@ -34,6 +34,14 @@ android {
         }
     }
 
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+
     lintOptions {
         isCheckReleaseBuilds = false
         //If you want to continue even if errors found use following line