diff --git a/app/build.gradle b/app/build.gradle
index d8ccce3..4277357 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -17,11 +17,11 @@ repositories {
 }
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
     defaultConfig {
         applicationId "cy.agorise.crystalwallet"
         minSdkVersion 21
-        targetSdkVersion 27
+        targetSdkVersion 28
         versionCode 5
         versionName "0.5M.alpha"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -69,10 +69,10 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
     //testCompile 'com.android.support.test:runner:1.0.1'
     implementation 'com.afollestad.material-dialogs:core:0.9.6.0'
-    implementation 'com.android.support:appcompat-v7:27.1.1'
-    implementation 'com.android.support:support-v4:27.1.1'
-    implementation 'com.android.support:design:27.1.1'
-    implementation 'com.android.support:cardview-v7:27.1.1'
+    implementation 'com.android.support:appcompat-v7:28.0.0'
+    implementation 'com.android.support:support-v4:28.0.0'
+    implementation 'com.android.support:design:28.0.0'
+    implementation 'com.android.support:cardview-v7:28.0.0'
     implementation 'com.android.support.constraint:constraint-layout:1.1.3'
     implementation 'android.arch.lifecycle:runtime:1.1.1'
     implementation 'android.arch.lifecycle:extensions:1.1.1'