diff --git a/test/e2e/test_helm_install_upgrade.go b/test/e2e/test_helm_install_upgrade.go
index 867457f6f..4fe15690b 100644
--- a/test/e2e/test_helm_install_upgrade.go
+++ b/test/e2e/test_helm_install_upgrade.go
@@ -54,13 +54,14 @@ func TestHelmUpgrade(t *testing.T) {
 	}
 
 	testCases := []struct {
-		name                   string
-		fromVersion            string
-		toVersion              string
-		objectsToDeploy        []client.Object
-		upgradeToCurrent       bool
-		assertionsAfterInstall []assertion
-		assertionsAfterUpgrade []assertion
+		name                     string
+		fromVersion              string
+		toVersion                string
+		objectsToDeploy          []client.Object
+		upgradeToCurrent         bool
+		upgradeToEffectiveSemver string
+		assertionsAfterInstall   []assertion
+		assertionsAfterUpgrade   []assertion
 	}{
 		{
 			name:        "upgrade from one before latest to latest minor",
@@ -135,9 +136,10 @@ func TestHelmUpgrade(t *testing.T) {
 			},
 		},
 		{
-			name:             "upgrade from latest minor to current",
-			fromVersion:      "1.4.0", // renovate: datasource=docker packageName=kong/gateway-operator-oss
-			upgradeToCurrent: true,
+			name:                     "upgrade from latest minor to current",
+			fromVersion:              "1.4.0", // renovate: datasource=docker packageName=kong/gateway-operator-oss
+			upgradeToCurrent:         true,
+			upgradeToEffectiveSemver: "1.5.0",
 			objectsToDeploy: []client.Object{
 				&operatorv1beta1.GatewayConfiguration{
 					ObjectMeta: metav1.ObjectMeta{
@@ -332,6 +334,10 @@ func TestHelmUpgrade(t *testing.T) {
 				"anonymous_reports":  "false",
 			}
 
+			if tc.upgradeToEffectiveSemver != "" {
+				values["image.effectiveSemver"] = tc.upgradeToEffectiveSemver
+			}
+
 			opts := &helm.Options{
 				KubectlOptions: &k8s.KubectlOptions{
 					Namespace:  e.Namespace.Name,