diff --git a/Makefile b/Makefile
index ed8ff1e4..cd8bd598 100644
--- a/Makefile
+++ b/Makefile
@@ -146,7 +146,7 @@ bin/envtest: bin ## Download envtest-setup locally if necessary.
 	@GOBIN=$(PROJECT_DIR)/bin go install sigs.k8s.io/controller-runtime/tools/setup-envtest@latest
 
 bin/kubectl: bin
-	curl -L -o $(PROJECT_DIR)/bin/kubectl https://storage.googleapis.com/kubernetes-release/release/${KUBECTL_VERSION}/bin/$(GOOS)/$(GOARCH)/kubectl
+	curl -L -o $(PROJECT_DIR)/bin/kubectl https://dl.k8s.io/release/${KUBECTL_VERSION}/bin/$(GOOS)/$(GOARCH)/kubectl 
 	chmod +x $(PROJECT_DIR)/bin/kubectl
 
 .PHONY: kind
diff --git a/test/e2e/e2e_suite_test.go b/test/e2e/e2e_suite_test.go
index 0e8f453f..560256f6 100644
--- a/test/e2e/e2e_suite_test.go
+++ b/test/e2e/e2e_suite_test.go
@@ -61,7 +61,7 @@ const (
 	volcanoSchedulerManifestPath   = rootPath + "/dep-manifests/volcano-scheduler/" // all in one yaml of volcano-development.yaml
 	envUseExistingSchedulerPlugins = "USE_EXISTING_SCHEDULER_PLUGINS"
 	envUseExistingVolcanoScheduler = "USE_EXISTING_VOLCANO_SCHEDULER"
-	defaultSchedulerPluginsVersion = "v0.31.1"
+	defaultSchedulerPluginsVersion = "v0.29.8"
 	defaultVolcanoSchedulerVersion = "v1.10.0"
 
 	mpiOperator      = "mpi-operator"