diff --git a/staging/src/k8s.io/code-generator/hack/update-codegen.sh b/staging/src/k8s.io/code-generator/hack/update-codegen.sh
index 11ed17ad6da..baac3d90c6a 100755
--- a/staging/src/k8s.io/code-generator/hack/update-codegen.sh
+++ b/staging/src/k8s.io/code-generator/hack/update-codegen.sh
@@ -26,7 +26,7 @@ SCRIPT_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
 #   instead of the $GOPATH directly. For normal projects this can be dropped.
 "$(dirname "${BASH_SOURCE[0]}")"/../generate-internal-groups.sh all \
   k8s.io/code-generator/_examples/apiserver k8s.io/code-generator/_examples/apiserver/apis k8s.io/code-generator/_examples/apiserver/apis \
-  "example:v1 example2:v1" \
+  "example:v1 example2:v1 example3.io:v1" \
   --output-base "$(dirname "${BASH_SOURCE[0]}")/../../.." \
   --go-header-file "${SCRIPT_ROOT}/hack/boilerplate.go.txt"
 "$(dirname "${BASH_SOURCE[0]}")"/../generate-groups.sh all \