diff --git a/app/build.gradle b/app/build.gradle
index df78305..7065682 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,7 +1,7 @@
 plugins {
     id 'com.android.application'
     id 'kotlin-android'
-    id ("com.apollographql.apollo").version("2.5.9")
+    id ("com.apollographql.apollo").version("$apollo_version")
 }
 
 apollo {
@@ -44,23 +44,20 @@ android {
 dependencies {
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-    implementation 'androidx.core:core-ktx:1.5.0'
+    implementation 'androidx.core:core-ktx:1.6.0'
     implementation 'androidx.appcompat:appcompat:1.3.0'
-    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'com.google.android.material:material:1.4.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
     implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.3.1'
     implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.1'
     implementation 'androidx.navigation:navigation-fragment-ktx:2.3.5'
     implementation 'androidx.navigation:navigation-ui-ktx:2.3.5'
-    testImplementation 'junit:junit:4.+'
-    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
-}
-
-dependencies {
     // The core runtime dependencies
-    implementation('com.apollographql.apollo:apollo-runtime:2.5.9')
+    implementation("com.apollographql.apollo:apollo-runtime:$apollo_version")
     // Coroutines extensions for easier asynchronicity handling
-    implementation('com.apollographql.apollo:apollo-coroutines-support:2.5.9')
+    implementation("com.apollographql.apollo:apollo-coroutines-support:$apollo_version")
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
 }
 
diff --git a/build.gradle b/build.gradle
index f2a4d12..16a580f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,12 +1,15 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
+    ext {
+        apollo_version = '2.5.9'
+    }
     ext.kotlin_version = "1.5.20"
     repositories {
         google()
         mavenCentral()
     }
     dependencies {
-        classpath "com.android.tools.build:gradle:4.2.1"
+        classpath 'com.android.tools.build:gradle:4.2.2'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong