diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..9e307ed
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,9 @@
+module gitea.lyrion.ch/zilti/packer-builder-iocage-jail
+
+go 1.12
+
+require (
+	github.com/google/btree v1.0.0 // indirect
+	github.com/hashicorp/packer v1.4.4
+	golang.org/x/tools/gopls v0.2.2 // indirect
+)