diff --git a/build.gradle b/build.gradle
index 4b1be34..d9ea492 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,3 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
-
 buildscript {
     repositories {
         jcenter()
@@ -8,9 +6,6 @@ buildscript {
     dependencies {
         classpath 'com.android.tools.build:gradle:3.0.1'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:2.0'
-
-        // NOTE: Do not place your application dependencies here; they belong
-        // in the individual module build.gradle files
     }
 }
 
@@ -20,7 +15,6 @@ allprojects {
         google()
     }
 
-
     ext {
         compileSdkVersion = 27
         buildToolsVersion = '26.0.2'
diff --git a/core/build.gradle b/core/build.gradle
index dd6976b..bb72dcc 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -24,6 +24,6 @@ android {
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     testCompile 'junit:junit:4.12'
-    compile "com.android.support:appcompat-v7:$rootProject.supportLibraryVersion"
+    compile "com.android.support:appcompat-v7:$supportLibraryVersion"
 
 }
diff --git a/sample/build.gradle b/sample/build.gradle
index 84254a2..f21a969 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -25,11 +25,11 @@ android {
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     testCompile 'junit:junit:4.12'
-    compile "com.android.support:appcompat-v7:$rootProject.supportLibraryVersion"
-    compile "com.android.support:design:$rootProject.supportLibraryVersion"
+    compile "com.android.support:appcompat-v7:$supportLibraryVersion"
+    compile "com.android.support:design:$supportLibraryVersion"
 
-    //compile 'com.github.kizitonwose.colorpreference:core:1.0.4'
-    //compile 'com.github.kizitonwose.colorpreference:support:1.0.4'
+    //compile 'com.github.kizitonwose.colorpreference:core:1.0.5'
+    //compile 'com.github.kizitonwose.colorpreference:support:1.0.5'
     //The support module also contains the standard preference
     compile project(':support')
 
diff --git a/support/build.gradle b/support/build.gradle
index c56c8a7..718bf28 100644
--- a/support/build.gradle
+++ b/support/build.gradle
@@ -24,6 +24,6 @@ android {
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     testCompile 'junit:junit:4.12'
-    compile "com.android.support:preference-v7:$rootProject.supportLibraryVersion"
+    compile "com.android.support:preference-v7:$supportLibraryVersion"
     compile project(':core')
 }