diff --git a/build.gradle b/build.gradle
index b95ae8b88..84a79d07c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -23,9 +23,6 @@ repositories {
 	maven {
 		url "http://jitsi.github.com/otr4j/repository/"
 	}
-	maven {
-		url "https://oss.sonatype.org/content/repositories/releases/"
-	}
 	jcenter()
 	mavenCentral()
 }
@@ -37,7 +34,7 @@ dependencies {
 	compile 'com.android.support:support-v13:19.1.0'
 	compile 'org.bouncycastle:bcprov-jdk15on:1.50'
 	compile 'net.java:otr4j:0.21'
-	compile 'org.jxmpp:jxmpp-stringprep-libidn:0.4.0'
+	compile 'org.gnu.inet:libidn:1.15'
 	compile 'com.google.zxing:core:3.1.0'
 	compile 'com.google.zxing:android-integration:3.1.0'
 }