diff --git a/v4/README.md b/v4/README.md
new file mode 100644
index 0000000..4da14f8
--- /dev/null
+++ b/v4/README.md
@@ -0,0 +1 @@
+deprecated, see git.agecem.com/agecem/bottin or git.agecem.com/agecem/bottin/v5
diff --git a/v4/go.mod b/v4/go.mod
new file mode 100644
index 0000000..2d01404
--- /dev/null
+++ b/v4/go.mod
@@ -0,0 +1,10 @@
+module git.agecem.com/agecem/bottin/v4
+
+go 1.20
+
+//retract (
+//	v4.1.0
+//	v4.0.3
+//	v4.0.2
+//	v4.0.1
+//)