diff --git a/Habitica/build.gradle b/Habitica/build.gradle
index cf261da75..8d81a4249 100644
--- a/Habitica/build.gradle
+++ b/Habitica/build.gradle
@@ -138,8 +138,8 @@ dependencies {
 }
 
 android {
-    compileSdkVersion 26
-    buildToolsVersion "26.0.1"
+    compileSdkVersion sdk_version
+    buildToolsVersion build_tools_version
 
     defaultConfig {
         applicationId "com.habitrpg.android.habitica"
@@ -181,6 +181,7 @@ android {
     productFlavors {
         dev {
             minSdkVersion 21
+            buildConfigField "String", "STAGING_KEY", "\"1dcf9ed3-3b14-45b3-9e7e-acdfff68a368\""
         }
 
         prod {
diff --git a/build.gradle b/build.gradle
index c73556b04..6fd6b6ed6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,6 +2,9 @@
 
 buildscript {
     ext.kotlin_version = '1.1.51'
+    ext.build_tools_version = '26.0.1'
+    ext.sdk_version = 26
+
     repositories {
         jcenter()
         maven { url "https://plugins.gradle.org/m2/" }
diff --git a/seeds-sdk/build.gradle b/seeds-sdk/build.gradle
index 44750b4b1..656e2e235 100755
--- a/seeds-sdk/build.gradle
+++ b/seeds-sdk/build.gradle
@@ -28,9 +28,8 @@ repositories {
 }
 
 android {
-    compileSdkVersion 25
-
-    buildToolsVersion "25.0.3"
+    compileSdkVersion sdk_version
+    buildToolsVersion build_tools_version
 
     defaultConfig {
         minSdkVersion 14