diff --git a/metadata/at.bitfire.icsdroid.txt b/metadata/at.bitfire.icsdroid.txt
index 2e83d6fbf0..4665075eff 100644
--- a/metadata/at.bitfire.icsdroid.txt
+++ b/metadata/at.bitfire.icsdroid.txt
@@ -109,7 +109,13 @@ Build:1.5.5,19
     submodules=yes
     gradle=yes
 
+Build:1.5.6,21
+    commit=v1.5.6
+    subdir=app
+    submodules=yes
+    gradle=yes
+
 Auto Update Mode:Version v%v
 Update Check Mode:Tags
-Current Version:1.5.5
-Current Version Code:19
+Current Version:1.5.6
+Current Version Code:21