diff --git a/app/build.gradle b/app/build.gradle
index e1591df..f43b981 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -55,12 +55,12 @@ android {
 
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
     }
 
     kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_1_8.toString()
+        jvmTarget = JavaVersion.VERSION_11.toString()
     }
     namespace 'ru.cloudpayments.demo'
 }
diff --git a/sdk/build.gradle b/sdk/build.gradle
index fd4a379..40fdc3f 100644
--- a/sdk/build.gradle
+++ b/sdk/build.gradle
@@ -35,12 +35,12 @@ android {
     }
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
     }
 
     kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_1_8.toString()
+        jvmTarget = JavaVersion.VERSION_11.toString()
     }
     namespace 'ru.cloudpayments.sdk'
 }