diff --git a/app/build.gradle b/app/build.gradle
index 468dde6b..d7c9b2fe 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -61,7 +61,7 @@ dependencies {
     implementation 'jp.wasabeef:recyclerview-animators:3.0.0'
     implementation 'com.anjlab.android.iab.v3:library:1.1.0'
     implementation 'com.jakewharton:butterknife:7.0.1'
-    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.appcompat:appcompat:1.3.0'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
     annotationProcessor 'com.jakewharton:butterknife:7.0.1'
 //    implementation 'com.nbsp:library:1.09'