diff --git a/app/build.gradle b/app/build.gradle
index d214598aa9..2b98e71d13 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -6,11 +6,11 @@ apply plugin: 'kotlin-android-extensions'
 def STRIPE_API_TOKEN = System.getenv('STRIPE_API_TOKEN') ?: "YOUR_API_KEY"
 
 android {
-    compileSdkVersion 28
+    compileSdkVersion 27
     defaultConfig {
         applicationId "com.eventyay.attendee"
         minSdkVersion 16
-        targetSdkVersion 28
+        targetSdkVersion 27
         versionCode 3
         versionName "0.0.3a"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -71,16 +71,13 @@ dependencies {
 
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation 'com.android.support:multidex:1.0.3'
-    implementation 'com.android.support:appcompat-v7:28.0.0'
-    implementation 'com.android.support:preference-v14:28.0.0'
-    implementation 'com.android.support:support-media-compat:28.0.0'
-    implementation 'com.android.support:support-v4:28.0.0'
+    implementation 'com.android.support:appcompat-v7:27.1.1'
     implementation 'com.android.support.constraint:constraint-layout:1.1.3'
-    implementation 'com.android.support:cardview-v7:28.0.0'
-    implementation 'com.android.support:recyclerview-v7:28.0.0'
-    implementation 'com.android.support:design:28.0.0'
-    implementation "com.android.support:customtabs:28.0.0"
-    implementation 'com.android.support:exifinterface:28.0.0'
+    implementation 'com.android.support:cardview-v7:27.1.1'
+    implementation 'com.android.support:recyclerview-v7:27.1.1'
+    implementation 'com.android.support:design:27.1.1'
+    implementation "com.android.support:customtabs:27.1.1"
+    implementation 'com.android.support:exifinterface:27.1.1'
     implementation "com.takisoft.fix:preference-v7:27.1.1.2"
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation "org.koin:koin-android:$koin_version"