--- a/app/build.gradle	Mon Mar 16 17:35:25 2015 +0100
+++ b/app/build.gradle	Tue Mar 17 11:05:16 2015 +0100
@@ -33,6 +33,7 @@
     compile project(":third_parties:memorizingtrustmanager")
     compile project(":third_parties:stroke")
     compile project(":third_parties:mmssmiley")
+    compile 'com.android.support:support-v4:21.0.3'
     compile 'org.jitsi:org.otr4j:0.22'
 }