diff --git a/app/build.gradle b/app/build.gradle
index 2bf35d8a58a102d961ed6601a546d5154cbc658f..c8b016dcac54d385c3416dc6e9320248499b9c05 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -27,6 +27,11 @@ android {
     }
 }
 
+if(project.hasProperty("Android.signing")
+        && new File((String) project.property("Android.signing") + ".gradle").exists()) {
+    apply from: project.property("Android.signing") + ".gradle";
+}
+
 dependencies {
     testCompile 'junit:junit:4.12'
     compile 'com.android.support:appcompat-v7:23.1.1'