diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..08af830
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module janouch.name/ell
+
+require github.com/peterh/liner v1.1.0
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..324d4e1
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,4 @@
+github.com/mattn/go-runewidth v0.0.3 h1:a+kO+98RDGEfo6asOGMmpodZq4FNtnGP54yps8BzLR4=
+github.com/mattn/go-runewidth v0.0.3/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
+github.com/peterh/liner v1.1.0 h1:f+aAedNJA6uk7+6rXsYBnhdo4Xux7ESLe+kcuVUF5os=
+github.com/peterh/liner v1.1.0/go.mod h1:CRroGNssyjTd/qIG2FyxByd2S8JEAZXBl4qUrZf8GS0=