diff --git a/app/build.gradle b/app/build.gradle
index ca37a2415..7121ef0c6 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -67,8 +67,8 @@ dependencies {
     testImplementation "com.google.code.gson:gson:2.8.5"
 
     implementation fileTree(dir: "libs", include: ["*.jar"])
-    implementation "androidx.appcompat:appcompat:1.0.2"
-    implementation "androidx.preference:preference:1.1.0-alpha05"
+    implementation "androidx.appcompat:appcompat:1.1.0-rc01"
+    implementation "androidx.preference:preference:1.1.0-rc01"
     implementation "androidx.cardview:cardview:1.0.0"
     implementation "androidx.recyclerview:recyclerview:1.0.0"
     implementation "androidx.legacy:legacy-support-v4:1.0.0"
diff --git a/build.gradle b/build.gradle
index 61c5a196f..a7772d912 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.4.1'
+        classpath 'com.android.tools.build:gradle:3.4.2'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files