diff --git a/android_app/app/app.iml b/android_app/app/app.iml
index ac43b567..a151fb4c 100644
--- a/android_app/app/app.iml
+++ b/android_app/app/app.iml
@@ -89,6 +89,7 @@
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dependency-cache" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/appcompat-v7/21.0.0/jars" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/support-v4/21.0.3/jars" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.github.lecho/hellocharts-library/1.5.8/jars" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental-classes" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental-runtime-classes" />
@@ -98,6 +99,7 @@
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/instant-run-support" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/jniLibs" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/manifests" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/pre-dexed" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/reload-dex" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/res" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/restart-dex" />
@@ -110,9 +112,9 @@
     </content>
     <orderEntry type="jdk" jdkName="Android API 21 Platform" jdkType="Android SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" exported="" name="hellocharts-library-1.5.5" level="project" />
     <orderEntry type="library" exported="" name="support-v4-21.0.3" level="project" />
     <orderEntry type="library" exported="" name="support-annotations-21.0.3" level="project" />
+    <orderEntry type="library" exported="" name="hellocharts-library-1.5.8" level="project" />
     <orderEntry type="library" exported="" name="appcompat-v7-21.0.0" level="project" />
   </component>
 </module>
\ No newline at end of file
diff --git a/android_app/app/build.gradle b/android_app/app/build.gradle
index 12ae1789..af41b28e 100644
--- a/android_app/app/build.gradle
+++ b/android_app/app/build.gradle
@@ -21,5 +21,5 @@ android {
 dependencies {
     compile 'com.android.support:support-v4:21.0.3'
     compile 'com.android.support:appcompat-v7:21.0.0'
-    compile files('libs/hellocharts-library-1.5.5.jar')
+    compile 'com.github.lecho:hellocharts-library:1.5.8@aar'
 }
diff --git a/android_app/app/libs/hellocharts-library-1.5.5.jar b/android_app/app/libs/hellocharts-library-1.5.5.jar
deleted file mode 100644
index 14231670..00000000
Binary files a/android_app/app/libs/hellocharts-library-1.5.5.jar and /dev/null differ