diff --git a/android/build.gradle b/android/build.gradle
index af1a476b..616bd091 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -188,9 +188,9 @@ dependencies {
 
     // cannot use this new version: https://github.com/zxing/zxing/issues/165
     // WARNING: might work on some devices or the emulator - but fails on others
-    // compile 'com.google.zxing:core:3.1.0'
+    compile 'com.google.zxing:core:3.1.0'
 
-    compile fileTree(dir: 'libs', include: 'zxing-core-2.3.0-SNAPSHOT.jar')
+    //compile fileTree(dir: 'libs', include: 'zxing-core-2.3.0-SNAPSHOT.jar')
 
     debugCompile 'com.squareup.leakcanary:leakcanary-android:1.4'
     releaseCompile 'com.squareup.leakcanary:leakcanary-android-no-op:1.4'