diff --git a/app/build.gradle b/app/build.gradle
index dcc00829..99b1956a 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -101,7 +101,7 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
     implementation "androidx.activity:activity-ktx:1.2.3"
 
-    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.appcompat:appcompat:1.4.1'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
     annotationProcessor 'com.jakewharton:butterknife:7.0.1'
 //    implementation 'com.nbsp:library:1.09'