diff --git a/build.gradle b/build.gradle
index 14d1e45..f373ecf 100644
--- a/build.gradle
+++ b/build.gradle
@@ -33,7 +33,7 @@ ext {
     targetSdkVersion = 26
 
     dependencies = [
-            'support-annotations': 'com.android.support:support-annotations:27.0.2',
+            'support-annotations': 'com.android.support:support-annotations:27.1.1',
             'constraint-layout': 'com.android.support.constraint:constraint-layout:1.0.2',
             'androidthings': 'com.google.android.things:androidthings:0.6.1-devpreview',
             'junitVintage': 'junit:junit:4.12',