diff --git a/app/build.gradle b/app/build.gradle
index 818720f..eb2973e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -29,6 +29,12 @@ android {
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            buildConfigField "Integer", "DB_VERSION", "1"
+            buildConfigField "Boolean", "TEST", "false"
+        }
+        debug {
+            buildConfigField "Integer", "DB_VERSION", "1"
+            buildConfigField "Boolean", "TEST", "true"
         }
     }
 
@@ -49,22 +55,24 @@ android {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    // Android X
     implementation 'androidx.appcompat:appcompat:1.1.0'
     implementation 'androidx.core:core-ktx:1.2.0'
-    implementation 'com.google.android.material:material:1.1.0'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
-
-    implementation 'androidx.navigation:navigation-fragment-ktx:2.2.1'
-    implementation 'androidx.navigation:navigation-fragment:2.2.1'
-    implementation 'androidx.navigation:navigation-ui-ktx:2.2.1'
-    implementation 'androidx.navigation:navigation-ui:2.2.1'
-
-
-    // Room
-//    implementation 'androidx.room:room-runtime:2.2.5'
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
     implementation 'androidx.lifecycle:lifecycle-extensions:2.2.0'
     implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.2.0'
+
+    implementation 'androidx.navigation:navigation-fragment-ktx:2.2.2'
+    implementation 'androidx.navigation:navigation-fragment:2.2.2'
+    implementation 'androidx.navigation:navigation-ui-ktx:2.2.2'
+    implementation 'androidx.navigation:navigation-ui:2.2.2'
+
+    // Design
+    implementation 'com.google.android.material:material:1.1.0'
+
+    // Room
+//    implementation 'androidx.room:room-runtime:2.2.5'
 //    kapt 'androidx.room:room-compiler:2.2.5'
 
     // PDF
@@ -79,8 +87,8 @@ dependencies {
     //noinspection GradleDependency
     implementation 'com.journeyapps:zxing-android-embedded:3.6.0'
 
+    // Test
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'androidx.test.ext:junit:1.1.1'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
-    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
 }