diff --git a/build.gradle b/build.gradle
index 9579920..739aab7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'com.android.library'
 apply plugin: 'me.tatarka.retrolambda'
 
 android {
-    compileSdkVersion 26
+    compileSdkVersion compileSdk
     buildToolsVersion buildTools
 
     compileOptions {