diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..0c4f68f
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module github.com/jroimartin/gocui
+
+go 1.16
+
+require github.com/nsf/termbox-go v1.1.1
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..509f0d3
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,4 @@
+github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/QdE+0=
+github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
+github.com/nsf/termbox-go v1.1.1 h1:nksUPLCb73Q++DwbYUBEglYBRPZyoXJdrj5L+TkjyZY=
+github.com/nsf/termbox-go v1.1.1/go.mod h1:T0cTdVuOwf7pHQNtfhnEbzHbcNyCEcVU4YPpouCbVxo=