diff --git a/Makefile b/Makefile
index b8c9e11..3061a72 100644
--- a/Makefile
+++ b/Makefile
@@ -152,7 +152,7 @@ CONTAINER_RUNTIME ?= $(shell command -v docker 2>/dev/null || command -v podman
 # Set SKIP_BUILD=true to skip the image build/load steps and use a pre-built image.
 SKIP_BUILD ?= false
 # Number of parallel Ginkgo workers. Defaults to 1 (sequential). Override with GINKGO_PROCS=N.
-GINKGO_PROCS ?= 1
+GINKGO_PROCS ?= 4
 
 .PHONY: e2e-setup
 e2e-setup: ## One-time setup: create Kind cluster and install dependencies (Argo, CSI, Vault)
diff --git a/test/e2e/core/workloads_test.go b/test/e2e/core/workloads_test.go
index ac47abd..1a7f7b3 100644
--- a/test/e2e/core/workloads_test.go
+++ b/test/e2e/core/workloads_test.go
@@ -10,7 +10,7 @@ import (
 	"github.com/stakater/Reloader/test/e2e/utils"
 )
 
-var _ = Describe("Workload Reload Tests", func() {
+var _ = Describe("Workload Reload Tests", Serial, func() {
 	var (
 		configMapName   string
 		secretName      string
diff --git a/test/e2e/csi/csi_test.go b/test/e2e/csi/csi_test.go
index 4982803..ef55f2b 100644
--- a/test/e2e/csi/csi_test.go
+++ b/test/e2e/csi/csi_test.go
@@ -10,7 +10,7 @@ import (
 	"github.com/stakater/Reloader/test/e2e/utils"
 )
 
-var _ = Describe("CSI SecretProviderClass Tests", Label("csi"), func() {
+var _ = Describe("CSI SecretProviderClass Tests", Label("csi"), Serial, func() {
 	var (
 		deploymentName  string
 		configMapName   string