diff --git a/app/build.gradle b/app/build.gradle
index d4a604a..cd02709 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -38,7 +38,7 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlinCoroutineVersion"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$kotlinCoroutineVersion"
-    implementation 'androidx.appcompat:appcompat:1.0.2'
+    implementation 'androidx.appcompat:appcompat:1.5.1'
     implementation "android.arch.lifecycle:viewmodel:1.1.1"
     implementation 'androidx.lifecycle:lifecycle-extensions:2.0.0'
     implementation 'androidx.core:core-ktx:1.0.2'
diff --git a/pageui/build.gradle b/pageui/build.gradle
index 631ed8c..d688963 100644
--- a/pageui/build.gradle
+++ b/pageui/build.gradle
@@ -38,7 +38,7 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlinCoroutineVersion"
     api "androidx.lifecycle:lifecycle-livedata:2.1.0"
-    api "androidx.appcompat:appcompat:1.1.0"
+    api "androidx.appcompat:appcompat:1.5.1"
 
     api project(':page-common')
     api "androidx.paging:paging-runtime:$pagingVersion"