diff --git a/build.gradle b/build.gradle
index 6a91ef524..affdc3043 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,6 +22,9 @@ apply plugin: 'android'
 repositories {
 	jcenter()
 	mavenCentral()
+	maven {
+		url "http://jitsi.github.com/otr4j/repository/"
+	}
 }
 
 dependencies {
@@ -30,6 +33,7 @@ dependencies {
 	compile project(':memorizingTrustManager')
 	compile 'com.android.support:support-v13:19.1.0'
 	compile 'org.bouncycastle:bcprov-jdk15on:1.50'
+	compile 'net.java:otr4j:0.10'
 	compile fileTree(dir: 'libs', include: ['*.jar'])
 }
 
diff --git a/libs/otr4j-0.10.jar b/libs/otr4j-0.10.jar
deleted file mode 100644
index d4fc3a916..000000000
Binary files a/libs/otr4j-0.10.jar and /dev/null differ