diff --git a/Gopkg.toml b/Gopkg.toml
index e1304ba26..f6dc4e2f7 100644
--- a/Gopkg.toml
+++ b/Gopkg.toml
@@ -43,7 +43,10 @@ required = [
   revision = "b6c426f7730e6d66e6e476a85d1c3eb7633880e0"
 
 [prune]
+  unused-packages = true
   [[prune.project]]
     name = "github.com/hashicorp/vault"
-    unused-packages = true
     non-go = true
+  [[prune.project]]
+    name = "k8s.io/code-generator"
+    unused-packages = false