diff --git a/build.gradle b/build.gradle
index c2603bcb..e770eaae 100644
--- a/build.gradle
+++ b/build.gradle
@@ -43,8 +43,8 @@ dependencies {
     repositories {
         mavenCentral()
     }
-    compile 'com.android.support:support-v4:21.0.3'
-    compile 'com.android.support:appcompat-v7:21.0.3'
+    compile 'com.android.support:support-v4:21.0.2'
+    compile 'com.android.support:appcompat-v7:21.0.2'
     compile 'org.apache.mina:mina-core:2.0.9'
     compile 'org.apache.sshd:sshd-core:0.8.0'
     compile 'org.bouncycastle:bcprov-jdk16:1.46'