diff --git a/test/e2e/data/infrastructure-docker/main/clusterclass-quick-start-runtimesdk.yaml b/test/e2e/data/infrastructure-docker/main/clusterclass-quick-start-runtimesdk.yaml
index 7569ca4b7c94..c83d1f7c309f 100644
--- a/test/e2e/data/infrastructure-docker/main/clusterclass-quick-start-runtimesdk.yaml
+++ b/test/e2e/data/infrastructure-docker/main/clusterclass-quick-start-runtimesdk.yaml
@@ -57,6 +57,9 @@ spec:
       generatePatchesExtension: generate-patches.${EXTENSION_CONFIG_NAME:-k8s-upgrade-with-runtimesdk}
       validateTopologyExtension: validate-topology.${EXTENSION_CONFIG_NAME:-k8s-upgrade-with-runtimesdk}
       discoverVariablesExtension: discover-variables.${EXTENSION_CONFIG_NAME:-k8s-upgrade-with-runtimesdk}
+  upgrade:
+    external:
+      generateUpgradePlanExtension: generate-upgrade-plan.${EXTENSION_CONFIG_NAME:-k8s-upgrade-with-runtimesdk}
 ---
 apiVersion: infrastructure.cluster.x-k8s.io/v1beta2
 kind: DockerClusterTemplate