diff --git a/go.mod b/go.mod
new file mode 100644
index 000000000..42579e7d3
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,46 @@
+module k8s.io/client-go
+
+go 1.16
+
+retract (
+	// pre-module versions are obsolete
+	v12.0.0+incompatible
+	// pre-module versions are obsolete
+	v11.0.0+incompatible
+	// pre-module versions are obsolete
+	v10.0.0+incompatible
+	// pre-module versions are obsolete
+	v9.0.0+incompatible
+	// pre-module versions are obsolete
+	v9.0.0-invalid+incompatible
+	// pre-module versions are obsolete
+	v8.0.0+incompatible
+	// pre-module versions are obsolete
+	v7.0.0+incompatible
+	// pre-module versions are obsolete
+	v6.0.0+incompatible
+	// pre-module versions are obsolete
+	v5.0.1+incompatible
+	// pre-module versions are obsolete
+	v5.0.0+incompatible
+	// pre-module versions are obsolete
+	v4.0.0+incompatible
+	// pre-module versions are obsolete
+	v4.0.0-beta.0+incompatible
+	// pre-module versions are obsolete
+	v3.0.0+incompatible
+	// pre-module versions are obsolete
+	v3.0.0-beta.0+incompatible
+	// pre-module versions are obsolete
+	v2.0.0+incompatible
+	// pre-module versions are obsolete
+	v2.0.0-alpha.1+incompatible
+	// pre-module versions are obsolete
+	v1.5.2
+	// pre-module versions are obsolete
+	v1.5.1
+	// pre-module versions are obsolete
+	v1.5.0
+	// pre-module versions are obsolete
+	v1.4.0
+)