diff --git a/library/build.gradle b/library/build.gradle
index 440ebd9..dc3d315 100755
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -22,6 +22,6 @@ android {
 }
 
 dependencies {
-    compile 'com.android.support:appcompat-v7:25.3.1'
-    compile 'com.android.support:preference-v14:25.3.1'
+    compile 'com.android.support:appcompat-v7:227.1.0'
+    compile 'com.android.support:preference-v14:27.1.0'
 }