diff --git a/app/build.gradle b/app/build.gradle
index b003e46..79631d6 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -36,9 +36,9 @@ android {
 }
 
 dependencies {
-  compile fileTree(dir: 'libs', include: ['*.jar'])
-  testCompile 'junit:junit:4.12'
+  implementation fileTree(dir: 'libs', include: ['*.jar'])
+  testImplementation 'junit:junit:4.12'
 
-  compile "com.android.support:appcompat-v7:27.0.0"
-  compile project(':qreader')
+  implementation "com.android.support:appcompat-v7:$rootProject.ext.supportLibVersion"
+  implementation project(':qreader')
 }
diff --git a/build.gradle b/build.gradle
index 20683ac..1d7de7a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,7 +22,7 @@ buildscript {
     google()
   }
   dependencies {
-    classpath 'com.android.tools.build:gradle:2.3.3'
+    classpath 'com.android.tools.build:gradle:3.0.0'
 
     // NOTE: Do not place your application dependencies here; they belong
     // in the individual module build.gradle files
@@ -56,7 +56,7 @@ ext {
 
   // Library Info
   libVersionCode = 12
-  libVersionName = '2.1.3'
+  libVersionName = '2.1.4'
   libPomUrl = 'https://github.com/sleepstream/qreader'
   libGithubRepo = 'sleepstream/qreader'