diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..a53fdae
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module github.com/giantswarm/retry-go
+
+go 1.12
+
+require github.com/juju/errgo v0.0.0-20140925100237-08cceb5d0b53
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..0c107e3
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/juju/errgo v0.0.0-20140925100237-08cceb5d0b53 h1:tGpfbOOO0SV3qtMUx8O9RbJeei6VDBwnpQQ0JYIFaVg=
+github.com/juju/errgo v0.0.0-20140925100237-08cceb5d0b53/go.mod h1:ZtgUe3RyZisw/AlQjgU9DeO3hqUH9E/bkreI2FLg/QY=