diff --git a/app/build.gradle b/app/build.gradle
index 32f172265..d79294b44 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,7 +1,9 @@
 apply plugin: 'com.android.application'
 
 dependencies {
-    compile fileTree(include: '*.jar', dir: 'libs')
+    compile ('com.github.nicolas-raoul:Quadtree:211b6fe59ac48f') {
+        exclude module: 'junit'
+    }
     compile 'fr.avianey.com.viewpagerindicator:library:2.4.1.1@aar'
     compile 'in.yuvi:http.fluent:1.3'
     compile 'com.android.volley:volley:1.0.0'
diff --git a/app/libs/Quadtree-1.0-gitbb3cc76.jar b/app/libs/Quadtree-1.0-gitbb3cc76.jar
deleted file mode 100644
index 5ec348984..000000000
Binary files a/app/libs/Quadtree-1.0-gitbb3cc76.jar and /dev/null differ
diff --git a/build.gradle b/build.gradle
index b3bf8c27a..44295d59d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -12,5 +12,6 @@ buildscript {
 allprojects {
     repositories {
         jcenter()
+        maven { url "https://jitpack.io" }
     }
 }