diff --git a/docs/book/src/multiversion-tutorial/testdata/project/test/e2e/e2e_test.go b/docs/book/src/multiversion-tutorial/testdata/project/test/e2e/e2e_test.go
index edb8ef44a24..3ffffed2ce8 100644
--- a/docs/book/src/multiversion-tutorial/testdata/project/test/e2e/e2e_test.go
+++ b/docs/book/src/multiversion-tutorial/testdata/project/test/e2e/e2e_test.go
@@ -272,6 +272,20 @@ var _ = Describe("Manager", Ordered, func() {
 			Eventually(verifyCAInjection).Should(Succeed())
 		})
 
+		It("should have CA injection for CronJob conversion webhook", func() {
+			By("checking CA injection for CronJob conversion webhook")
+			verifyCAInjection := func(g Gomega) {
+				cmd := exec.Command("kubectl", "get",
+					"customresourcedefinitions.apiextensions.k8s.io",
+					"cronjobs.batch.tutorial.kubebuilder.io",
+					"-o", "go-template={{ .spec.conversion.webhook.clientConfig.caBundle }}")
+				vwhOutput, err := utils.Run(cmd)
+				g.Expect(err).NotTo(HaveOccurred())
+				g.Expect(len(vwhOutput)).To(BeNumerically(">", 10))
+			}
+			Eventually(verifyCAInjection).Should(Succeed())
+		})
+
 		// +kubebuilder:scaffold:e2e-webhooks-checks
 
 		// TODO: Customize the e2e test suite with scenarios specific to your project.
diff --git a/pkg/plugins/golang/v4/scaffolds/internal/templates/test/e2e/test.go b/pkg/plugins/golang/v4/scaffolds/internal/templates/test/e2e/test.go
index 2d994b6b8c3..5338ac4a3fe 100644
--- a/pkg/plugins/golang/v4/scaffolds/internal/templates/test/e2e/test.go
+++ b/pkg/plugins/golang/v4/scaffolds/internal/templates/test/e2e/test.go
@@ -99,6 +99,18 @@ func (f *WebhookTestUpdater) GetCodeFragments() machinery.CodeFragmentsMap {
 		)
 	}
 
+	if f.Resource.HasConversionWebhook() {
+		conversionWebhookCode := fmt.Sprintf(
+			conversionWebhookChecksFragment,
+			f.Resource.Kind,
+			f.Resource.Plural+"."+f.Resource.Group+"."+f.Resource.Domain,
+		)
+		codeFragments[machinery.NewMarkerFor(f.GetPath(), webhookChecksMarker)] = append(
+			codeFragments[machinery.NewMarkerFor(f.GetPath(), webhookChecksMarker)],
+			conversionWebhookCode,
+		)
+	}
+
 	return codeFragments
 }
 
@@ -147,6 +159,22 @@ const validatingWebhookChecksFragment = `It("should have CA injection for valida
 
 `
 
+const conversionWebhookChecksFragment = `It("should have CA injection for %[1]s conversion webhook", func() {
+	By("checking CA injection for %[1]s conversion webhook")
+	verifyCAInjection := func(g Gomega) {
+		cmd := exec.Command("kubectl", "get",
+			"customresourcedefinitions.apiextensions.k8s.io",
+			"%[2]s",
+			"-o", "go-template={{ .spec.conversion.webhook.clientConfig.caBundle }}")
+		vwhOutput, err := utils.Run(cmd)
+		g.Expect(err).NotTo(HaveOccurred())
+		g.Expect(len(vwhOutput)).To(BeNumerically(">", 10))
+	}
+	Eventually(verifyCAInjection).Should(Succeed())
+})
+
+`
+
 var TestTemplate = `{{ .Boilerplate }}
 
 
diff --git a/testdata/project-v4-multigroup/test/e2e/e2e_test.go b/testdata/project-v4-multigroup/test/e2e/e2e_test.go
index 22c5eb9e215..dbcdfbdcca3 100644
--- a/testdata/project-v4-multigroup/test/e2e/e2e_test.go
+++ b/testdata/project-v4-multigroup/test/e2e/e2e_test.go
@@ -272,6 +272,20 @@ var _ = Describe("Manager", Ordered, func() {
 			Eventually(verifyCAInjection).Should(Succeed())
 		})
 
+		It("should have CA injection for Wordpress conversion webhook", func() {
+			By("checking CA injection for Wordpress conversion webhook")
+			verifyCAInjection := func(g Gomega) {
+				cmd := exec.Command("kubectl", "get",
+					"customresourcedefinitions.apiextensions.k8s.io",
+					"wordpresses.example.com.testproject.org",
+					"-o", "go-template={{ .spec.conversion.webhook.clientConfig.caBundle }}")
+				vwhOutput, err := utils.Run(cmd)
+				g.Expect(err).NotTo(HaveOccurred())
+				g.Expect(len(vwhOutput)).To(BeNumerically(">", 10))
+			}
+			Eventually(verifyCAInjection).Should(Succeed())
+		})
+
 		// +kubebuilder:scaffold:e2e-webhooks-checks
 
 		// TODO: Customize the e2e test suite with scenarios specific to your project.
diff --git a/testdata/project-v4-with-plugins/test/e2e/e2e_test.go b/testdata/project-v4-with-plugins/test/e2e/e2e_test.go
index 90607312ce8..0f2508e2f8a 100644
--- a/testdata/project-v4-with-plugins/test/e2e/e2e_test.go
+++ b/testdata/project-v4-with-plugins/test/e2e/e2e_test.go
@@ -258,6 +258,20 @@ var _ = Describe("Manager", Ordered, func() {
 			Eventually(verifyCAInjection).Should(Succeed())
 		})
 
+		It("should have CA injection for Wordpress conversion webhook", func() {
+			By("checking CA injection for Wordpress conversion webhook")
+			verifyCAInjection := func(g Gomega) {
+				cmd := exec.Command("kubectl", "get",
+					"customresourcedefinitions.apiextensions.k8s.io",
+					"wordpresses.example.com.testproject.org",
+					"-o", "go-template={{ .spec.conversion.webhook.clientConfig.caBundle }}")
+				vwhOutput, err := utils.Run(cmd)
+				g.Expect(err).NotTo(HaveOccurred())
+				g.Expect(len(vwhOutput)).To(BeNumerically(">", 10))
+			}
+			Eventually(verifyCAInjection).Should(Succeed())
+		})
+
 		// +kubebuilder:scaffold:e2e-webhooks-checks
 
 		// TODO: Customize the e2e test suite with scenarios specific to your project.
diff --git a/testdata/project-v4/test/e2e/e2e_test.go b/testdata/project-v4/test/e2e/e2e_test.go
index f96b67319fe..5956c9fe687 100644
--- a/testdata/project-v4/test/e2e/e2e_test.go
+++ b/testdata/project-v4/test/e2e/e2e_test.go
@@ -272,6 +272,20 @@ var _ = Describe("Manager", Ordered, func() {
 			Eventually(verifyCAInjection).Should(Succeed())
 		})
 
+		It("should have CA injection for FirstMate conversion webhook", func() {
+			By("checking CA injection for FirstMate conversion webhook")
+			verifyCAInjection := func(g Gomega) {
+				cmd := exec.Command("kubectl", "get",
+					"customresourcedefinitions.apiextensions.k8s.io",
+					"firstmates.crew.testproject.org",
+					"-o", "go-template={{ .spec.conversion.webhook.clientConfig.caBundle }}")
+				vwhOutput, err := utils.Run(cmd)
+				g.Expect(err).NotTo(HaveOccurred())
+				g.Expect(len(vwhOutput)).To(BeNumerically(">", 10))
+			}
+			Eventually(verifyCAInjection).Should(Succeed())
+		})
+
 		// +kubebuilder:scaffold:e2e-webhooks-checks
 
 		// TODO: Customize the e2e test suite with scenarios specific to your project.