diff --git a/build.gradle b/build.gradle
index 4156217a..5eefe767 100644
--- a/build.gradle
+++ b/build.gradle
@@ -37,6 +37,7 @@ repositories {
 dependencies {
 	compile fileTree(dir: 'libs', include: ['*.jar'])
 	compile 'com.android.support:appcompat-v7:21.0.3'
+	compile 'com.android.support:support-annotations:25.3.1'
 	compile 'org.xwalk:xwalk_core_library:23.53.589.4:arm@aar'
 	compile 'com.simprints:LibSimprints:1.0.8'
 }