diff --git a/app/build.gradle b/app/build.gradle
index 0cea1b2..e846d28 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -36,7 +36,7 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:22.2.1'
+    compile 'com.android.support:appcompat-v7:27.0.1'
     compile('com.crashlytics.sdk.android:crashlytics:2.5.1@aar') {
         transitive = true;
     }