diff --git a/pkg/app/app_test.go b/pkg/app/app_test.go
index cf38aa2e..c9216cb8 100644
--- a/pkg/app/app_test.go
+++ b/pkg/app/app_test.go
@@ -2588,7 +2588,7 @@ func (helm *mockHelmExec) Fetch(chart string, flags ...string) error {
 func (helm *mockHelmExec) Lint(name, chart string, flags ...string) error {
 	return nil
 }
-func (helm *mockHelmExec) IsHelm3() bool {
+func (helm *mockHelmExec) IsOverHelm3() bool {
 	return true
 }
 
diff --git a/pkg/app/run.go b/pkg/app/run.go
index 2beab11a..1860ad1d 100644
--- a/pkg/app/run.go
+++ b/pkg/app/run.go
@@ -28,7 +28,7 @@ func NewRun(st *state.HelmState, helm helmexec.Interface, ctx Context) (*Run, er
 		return nil, fmt.Errorf("Assertion failed: helmexec.Interface must not be nil")
 	}
 
-	if !helm.IsHelm3() {
+	if !helm.IsOverHelm3() {
 		return nil, fmt.Errorf("helmfile has deprecated helm2 since v0.150.0")
 	}
 
diff --git a/pkg/exectest/helm.go b/pkg/exectest/helm.go
index 5857d398..2af1316d 100644
--- a/pkg/exectest/helm.go
+++ b/pkg/exectest/helm.go
@@ -206,7 +206,7 @@ func (helm *Helm) ChartPull(chart string, path string, flags ...string) error {
 func (helm *Helm) ChartExport(chart string, path string) error {
 	return nil
 }
-func (helm *Helm) IsHelm3() bool {
+func (helm *Helm) IsOverHelm3() bool {
 	if helm.Version == nil {
 		return helm.Helm3
 	}
diff --git a/pkg/helmexec/exec.go b/pkg/helmexec/exec.go
index 08001a4f..410050d7 100644
--- a/pkg/helmexec/exec.go
+++ b/pkg/helmexec/exec.go
@@ -646,7 +646,7 @@ func (helm *execer) write(w io.Writer, out []byte) {
 	}
 }
 
-func (helm *execer) IsHelm3() bool {
+func (helm *execer) IsOverHelm3() bool {
 	return helm.version.Major() >= 3
 }
 
diff --git a/pkg/helmexec/exec_test.go b/pkg/helmexec/exec_test.go
index 045d9248..f81eaf95 100644
--- a/pkg/helmexec/exec_test.go
+++ b/pkg/helmexec/exec_test.go
@@ -1063,14 +1063,14 @@ exec: helm --kubeconfig config --kube-context dev template release https://examp
 	}
 }
 
-func Test_IsHelm3(t *testing.T) {
+func Test_IsOverHelm3(t *testing.T) {
 	helm2Runner := mockRunner{output: []byte("Client: v2.16.0+ge13bc94\n")}
 	helm, err := New("helm", HelmExecOptions{}, NewLogger(os.Stdout, "info"), "", "dev", &helm2Runner)
 	if err != nil {
 		t.Errorf("unexpected error: %v", err)
 	}
-	if helm.IsHelm3() {
-		t.Error("helmexec.IsHelm3() - Detected Helm 3 with Helm 2 version")
+	if helm.IsOverHelm3() {
+		t.Error("helmexec.IsOverHelm3() - Detected Helm 3 with Helm 2 version")
 	}
 
 	helm3Runner := mockRunner{output: []byte("v3.0.0+ge29ce2a\n")}
@@ -1078,8 +1078,8 @@ func Test_IsHelm3(t *testing.T) {
 	if err != nil {
 		t.Errorf("unexpected error: %v", err)
 	}
-	if !helm.IsHelm3() {
-		t.Error("helmexec.IsHelm3() - Failed to detect Helm 3")
+	if !helm.IsOverHelm3() {
+		t.Error("helmexec.IsOverHelm3() - Failed to detect Helm 3")
 	}
 }
 
diff --git a/pkg/helmexec/helmexec.go b/pkg/helmexec/helmexec.go
index 62cc2aa1..74e58c7a 100644
--- a/pkg/helmexec/helmexec.go
+++ b/pkg/helmexec/helmexec.go
@@ -33,7 +33,7 @@ type Interface interface {
 	TestRelease(context HelmContext, name string, flags ...string) error
 	List(context HelmContext, filter string, flags ...string) (string, error)
 	DecryptSecret(context HelmContext, name string, flags ...string) (string, error)
-	IsHelm3() bool
+	IsOverHelm3() bool
 	GetVersion() Version
 	IsVersionAtLeast(versionStr string) bool
 	ShowChart(chart string) (chart.Metadata, error)
@@ -41,5 +41,5 @@ type Interface interface {
 
 type DependencyUpdater interface {
 	UpdateDeps(chart string) error
-	IsHelm3() bool
+	IsOverHelm3() bool
 }
diff --git a/pkg/state/state.go b/pkg/state/state.go
index d8e4013c..204ec2b1 100644
--- a/pkg/state/state.go
+++ b/pkg/state/state.go
@@ -576,7 +576,7 @@ func (st *HelmState) ApplyOverrides(spec *ReleaseSpec) {
 }
 
 type RepoUpdater interface {
-	IsHelm3() bool
+	IsOverHelm3() bool
 	AddRepo(name, repository, cafile, certfile, keyfile, username, password string, managed string, passCredentials, skipTLSVerify bool) error
 	UpdateRepo() error
 	RegistryLogin(name, username, password, caFile, certFile, keyFile string, skipTLSVerify bool) error
@@ -1640,7 +1640,11 @@ func (st *HelmState) TemplateReleases(helm helmexec.Interface, outputDir string,
 		}
 
 		if validate {
-			flags = append(flags, "--validate")
+			if helm.IsVersionAtLeast("4.0.0") {
+				flags = append(flags, "--dry-run=server")
+			} else {
+				flags = append(flags, "--validate")
+			}
 		}
 
 		if opts.IncludeCRDs {
diff --git a/pkg/testutil/mocks.go b/pkg/testutil/mocks.go
index 507dd8d4..0d434bf5 100644
--- a/pkg/testutil/mocks.go
+++ b/pkg/testutil/mocks.go
@@ -28,7 +28,7 @@ func NewVersionHelmExec(version string) *VersionHelmExec {
 	return &VersionHelmExec{noCallHelmExec: &noCallHelmExec{}, version: version}
 }
 
-func (helm *V3HelmExec) IsHelm3() bool {
+func (helm *V3HelmExec) IsOverHelm3() bool {
 	return helm.isHelm3
 }
 
@@ -127,7 +127,7 @@ func (helm *noCallHelmExec) Lint(name, chart string, flags ...string) error {
 	helm.doPanic()
 	return nil
 }
-func (helm *noCallHelmExec) IsHelm3() bool {
+func (helm *noCallHelmExec) IsOverHelm3() bool {
 	helm.doPanic()
 	return false
 }