diff --git a/proxmox-async/debian/source/format b/proxmox-async/debian/source/format
new file mode 100644
index 00000000..89ae9db8
--- /dev/null
+++ b/proxmox-async/debian/source/format
@@ -0,0 +1 @@
+3.0 (native)
diff --git a/proxmox-auth-api/debian/source/format b/proxmox-auth-api/debian/source/format
new file mode 100644
index 00000000..89ae9db8
--- /dev/null
+++ b/proxmox-auth-api/debian/source/format
@@ -0,0 +1 @@
+3.0 (native)