diff --git a/build.gradle b/build.gradle
index 506358186..6f564756b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -25,9 +25,6 @@ dependencies {
 	compile project(':extern:nanohttpd:core')
 	compile project(':extern:jmdns')
 	compile project(':extern:zipsigner')
-	compile project(':extern:spongycastle:core')
-	compile project(':extern:spongycastle:pkix')
-	compile project(':extern:spongycastle:prov')
 }
 
 project(':extern:UniversalImageLoader:library') {
@@ -58,6 +55,17 @@ project(':extern:UniversalImageLoader:library') {
 	}
 }
 
+project(':extern:zipsigner') {
+
+    apply plugin: 'java'
+
+    dependencies {
+        compile project(':extern:spongycastle:core')
+        compile project(':extern:spongycastle:pkix')
+        compile project(':extern:spongycastle:prov')
+    }
+}
+
 android {
 	compileSdkVersion 19
 	buildToolsVersion toolVersion