diff --git a/app/build.gradle b/app/build.gradle
index 1c1d6de..c2d91e4 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -127,7 +127,7 @@ android {
 
 dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
-    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.android.support:appcompat-v7:28.0.0'
     implementation 'com.android.support:design:27.1.1'
     implementation 'com.android.support.constraint:constraint-layout:1.1.1'
     testImplementation 'junit:junit:4.12'