diff --git a/build.gradle b/build.gradle
index 66fc2f6..9c97c5a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,9 +22,9 @@
 //This block encapsulates custom properties and makes them available to all
 //modules in the project.
 ext {
-  compileSdkVersion = 26
-  buildToolsVersion = "26.0.2"
-  supportLibVersion = "26.0.2"
+  compileSdkVersion = 27
+  buildToolsVersion = "27.0.0"
+  supportLibVersion = "27.0.0"
 }
 
 task clean(type: Delete) {