diff --git a/app/build.gradle b/app/build.gradle
index 735b012..a48e119 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 25
-    buildToolsVersion "25.0.2"
+    buildToolsVersion "26.0.2"
     defaultConfig {
         applicationId "bootstrap.casterio.com.myapplication"
         minSdkVersion 17
@@ -24,11 +24,12 @@ dependencies {
     androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
-    compile 'com.android.support:appcompat-v7:25.2.0'
-    compile 'com.android.support:design:25.2.0'
-    compile 'com.android.support.constraint:constraint-layout:1.0.0-beta4'
-    compile 'com.android.support:support-v4:25.2.0'
-    compile 'com.android.support:recyclerview-v7:25.2.0'
+
+    compile "com.android.support:appcompat-v7:$rootProject.ext.supportVersion"
+    compile "com.android.support:design:$rootProject.ext.supportVersion"
+    compile 'com.android.support.constraint:constraint-layout:1.0.2'
+    compile "com.android.support:support-v4:$rootProject.ext.supportVersion"
+    compile "com.android.support:recyclerview-v7:$rootProject.ext.supportVersion"
     compile 'com.google.android.gms:play-services-maps:10.2.0'
     compile 'com.google.code.gson:gson:2.8.0'
     compile 'com.squareup.retrofit2:retrofit:2.3.0'
diff --git a/build.gradle b/build.gradle
index 6efcc7c..5a22685 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,11 +1,16 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
+    ext {
+        supportVersion = '25.4.0'
+    }
+
     repositories {
         jcenter()
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0-alpha1'
+        classpath 'com.android.tools.build:gradle:3.0.0-beta7'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -15,6 +20,7 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        google()
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index e787e6b..ab19297 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Sun May 21 09:19:38 MST 2017
+#Wed Oct 11 20:08:03 MDT 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.0-milestone-1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip