diff --git a/apex/Android.bp b/apex/Android.bp
index 8af22ff..91df00c 100644
--- a/apex/Android.bp
+++ b/apex/Android.bp
@@ -56,6 +56,7 @@
         "com.android.virt.init.rc",
         "microdroid_cdisk.json",
         "microdroid_cdisk_env.json",
+        "microdroid_cdisk_userdata.json",
         "microdroid_payload.json",
         "microdroid_uboot_env",
         "microdroid_bootloader",