diff --git a/ui/BankingAndroidApp/build.gradle b/ui/BankingAndroidApp/build.gradle
index 715bd054..84c7552a 100644
--- a/ui/BankingAndroidApp/build.gradle
+++ b/ui/BankingAndroidApp/build.gradle
@@ -34,6 +34,10 @@ android {
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8