diff --git a/app/build.gradle b/app/build.gradle
index 15d7376..3b2ac74 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -42,9 +42,13 @@ dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation project(':graphenejlib:graphenej')
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+
     implementation 'androidx.appcompat:appcompat:1.0.2'
     implementation 'androidx.constraintlayout:constraintlayout:2.0.0-alpha2'
+
+    implementation 'com.google.zxing:core:3.3.1'
     implementation 'com.google.android.material:material:1.0.0'
+    implementation 'com.google.android.gms:play-services-maps:16.0.0'
 
     implementation "androidx.lifecycle:lifecycle-extensions:$lifecycle_version"
     kapt "androidx.lifecycle:lifecycle-compiler:$lifecycle_version"
@@ -57,10 +61,8 @@ dependencies {
     implementation "android.arch.navigation:navigation-ui-ktx:$nav_version"
 
     implementation 'com.jakewharton.rxbinding2:rxbinding:2.1.1'
-
     implementation 'org.bitcoinj:bitcoinj-core:0.14.3'
     implementation 'com.moldedbits.r2d2:r2d2:1.0.1'
-    implementation 'com.google.zxing:core:3.3.1'
     implementation 'me.dm7.barcodescanner:zxing:1.9.8'
     implementation 'com.afollestad.material-dialogs:core:2.0.0-rc3'