diff --git a/library/build.gradle b/library/build.gradle
index 4396b3b..f1a5533 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -6,16 +6,15 @@ apply plugin: 'com.android.library'
  */
 
 android {
-    compileSdkVersion 25
+    compileSdkVersion compileSdk
 
     defaultConfig {
-        minSdkVersion 9
+        minSdkVersion 16
     }
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:25.3.1'
-    compile 'com.android.support:support-v4:25.3.1'
-    compile 'com.android.support:recyclerview-v7:25.3.1'
+    implementation "com.android.support:appcompat-v7:$supportLibraryVersion"
+    implementation "com.android.support:support-v4:$supportLibraryVersion"
+    implementation "com.android.support:recyclerview-v7:$supportLibraryVersion"
 }