diff --git a/base.one/etc/one-context.d/05-grow-rootfs b/base.one/etc/one-context.d/05-grow-rootfs
index 2b5ba58..53db6e7 100755
--- a/base.one/etc/one-context.d/05-grow-rootfs
+++ b/base.one/etc/one-context.d/05-grow-rootfs
@@ -51,4 +51,7 @@ case "${FSTYPE}" in
   xfs)
     xfs_growfs /
     ;;
+  btrfs)
+      btrfs filesystem resize max /
+    ;;
 esac