diff --git a/.container b/.container
new file mode 100644
index 0000000..3e01ac7
--- /dev/null
+++ b/.container
@@ -0,0 +1 @@
+ghcr.io/gardenlinux/repo-debian-snapshot@sha256:d6101601e920ffe449200cb239fc55b00ee8153035bffc1c3a7d8597118fc578
diff --git a/prepare_source b/prepare_source
index b9a1d08..8d9891d 100755
--- a/prepare_source
+++ b/prepare_source
@@ -30,3 +30,4 @@ sed -i '/debian\/Revert-docs-kernel_feat\.py-fix-potential-command-inj\.patch/d'
 
 apply_patches fixes_debian
 import_upstream_patches
+version_suffix=gl0