diff --git a/pkg/cli/alpha/config-gen/cert-generation-filter.go b/pkg/cli/alpha/config-gen/cert-generation-filter.go
index 1f167a90a99..da1a2fe23bd 100644
--- a/pkg/cli/alpha/config-gen/cert-generation-filter.go
+++ b/pkg/cli/alpha/config-gen/cert-generation-filter.go
@@ -38,6 +38,7 @@ type CertFilter struct {
 }
 
 // Filter implements kio.Filter
+// TODO: when v1 CRDs are supported, scaffold conversion webhook versions.
 func (c CertFilter) Filter(input []*yaml.RNode) ([]*yaml.RNode, error) {
 
 	if c.Spec.Webhooks.CertificateSource.Type != "dev" {
diff --git a/pkg/plugins/common/kustomize/v1/scaffolds/internal/templates/config/crd/patches/enablewebhook_patch.go b/pkg/plugins/common/kustomize/v1/scaffolds/internal/templates/config/crd/patches/enablewebhook_patch.go
index 1bf0e7ac071..61f41a02c27 100644
--- a/pkg/plugins/common/kustomize/v1/scaffolds/internal/templates/config/crd/patches/enablewebhook_patch.go
+++ b/pkg/plugins/common/kustomize/v1/scaffolds/internal/templates/config/crd/patches/enablewebhook_patch.go
@@ -66,5 +66,7 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions:
+      - {{ .Resource.API.CRDVersion }}
     {{- end }}
 `
diff --git a/testdata/project-v3-addon/config/crd/patches/webhook_in_admirals.yaml b/testdata/project-v3-addon/config/crd/patches/webhook_in_admirals.yaml
index e7cef4898e3..0ce2808578a 100644
--- a/testdata/project-v3-addon/config/crd/patches/webhook_in_admirals.yaml
+++ b/testdata/project-v3-addon/config/crd/patches/webhook_in_admirals.yaml
@@ -12,3 +12,5 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions:
+      - v1
diff --git a/testdata/project-v3-addon/config/crd/patches/webhook_in_captains.yaml b/testdata/project-v3-addon/config/crd/patches/webhook_in_captains.yaml
index 39ef2528c5a..f73ae2e8abc 100644
--- a/testdata/project-v3-addon/config/crd/patches/webhook_in_captains.yaml
+++ b/testdata/project-v3-addon/config/crd/patches/webhook_in_captains.yaml
@@ -12,3 +12,5 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions:
+      - v1
diff --git a/testdata/project-v3-addon/config/crd/patches/webhook_in_firstmates.yaml b/testdata/project-v3-addon/config/crd/patches/webhook_in_firstmates.yaml
index a644d053242..76ee5acedbd 100644
--- a/testdata/project-v3-addon/config/crd/patches/webhook_in_firstmates.yaml
+++ b/testdata/project-v3-addon/config/crd/patches/webhook_in_firstmates.yaml
@@ -12,3 +12,5 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions:
+      - v1
diff --git a/testdata/project-v3-config/config/crd/patches/webhook_in_admirals.yaml b/testdata/project-v3-config/config/crd/patches/webhook_in_admirals.yaml
index e7cef4898e3..0ce2808578a 100644
--- a/testdata/project-v3-config/config/crd/patches/webhook_in_admirals.yaml
+++ b/testdata/project-v3-config/config/crd/patches/webhook_in_admirals.yaml
@@ -12,3 +12,5 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions:
+      - v1
diff --git a/testdata/project-v3-config/config/crd/patches/webhook_in_captains.yaml b/testdata/project-v3-config/config/crd/patches/webhook_in_captains.yaml
index 39ef2528c5a..f73ae2e8abc 100644
--- a/testdata/project-v3-config/config/crd/patches/webhook_in_captains.yaml
+++ b/testdata/project-v3-config/config/crd/patches/webhook_in_captains.yaml
@@ -12,3 +12,5 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions:
+      - v1
diff --git a/testdata/project-v3-config/config/crd/patches/webhook_in_firstmates.yaml b/testdata/project-v3-config/config/crd/patches/webhook_in_firstmates.yaml
index a644d053242..76ee5acedbd 100644
--- a/testdata/project-v3-config/config/crd/patches/webhook_in_firstmates.yaml
+++ b/testdata/project-v3-config/config/crd/patches/webhook_in_firstmates.yaml
@@ -12,3 +12,5 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions:
+      - v1
diff --git a/testdata/project-v3-multigroup/config/crd/patches/webhook_in_captains.yaml b/testdata/project-v3-multigroup/config/crd/patches/webhook_in_captains.yaml
index 39ef2528c5a..f73ae2e8abc 100644
--- a/testdata/project-v3-multigroup/config/crd/patches/webhook_in_captains.yaml
+++ b/testdata/project-v3-multigroup/config/crd/patches/webhook_in_captains.yaml
@@ -12,3 +12,5 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions:
+      - v1
diff --git a/testdata/project-v3-multigroup/config/crd/patches/webhook_in_cruisers.yaml b/testdata/project-v3-multigroup/config/crd/patches/webhook_in_cruisers.yaml
index 3d6f07a0d48..99b6b6741b6 100644
--- a/testdata/project-v3-multigroup/config/crd/patches/webhook_in_cruisers.yaml
+++ b/testdata/project-v3-multigroup/config/crd/patches/webhook_in_cruisers.yaml
@@ -12,3 +12,5 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions:
+      - v1
diff --git a/testdata/project-v3-multigroup/config/crd/patches/webhook_in_destroyers.yaml b/testdata/project-v3-multigroup/config/crd/patches/webhook_in_destroyers.yaml
index 79115951424..0e0095cb3a6 100644
--- a/testdata/project-v3-multigroup/config/crd/patches/webhook_in_destroyers.yaml
+++ b/testdata/project-v3-multigroup/config/crd/patches/webhook_in_destroyers.yaml
@@ -12,3 +12,5 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions:
+      - v1
diff --git a/testdata/project-v3-multigroup/config/crd/patches/webhook_in_frigates.yaml b/testdata/project-v3-multigroup/config/crd/patches/webhook_in_frigates.yaml
index 19cd37cd6b2..cdc5078ae71 100644
--- a/testdata/project-v3-multigroup/config/crd/patches/webhook_in_frigates.yaml
+++ b/testdata/project-v3-multigroup/config/crd/patches/webhook_in_frigates.yaml
@@ -12,3 +12,5 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions:
+      - v1
diff --git a/testdata/project-v3-multigroup/config/crd/patches/webhook_in_healthcheckpolicies.yaml b/testdata/project-v3-multigroup/config/crd/patches/webhook_in_healthcheckpolicies.yaml
index 1be37bd5985..61381b747c5 100644
--- a/testdata/project-v3-multigroup/config/crd/patches/webhook_in_healthcheckpolicies.yaml
+++ b/testdata/project-v3-multigroup/config/crd/patches/webhook_in_healthcheckpolicies.yaml
@@ -12,3 +12,5 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions:
+      - v1
diff --git a/testdata/project-v3-multigroup/config/crd/patches/webhook_in_krakens.yaml b/testdata/project-v3-multigroup/config/crd/patches/webhook_in_krakens.yaml
index 17c9dee34b3..620a12faaee 100644
--- a/testdata/project-v3-multigroup/config/crd/patches/webhook_in_krakens.yaml
+++ b/testdata/project-v3-multigroup/config/crd/patches/webhook_in_krakens.yaml
@@ -12,3 +12,5 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions:
+      - v1
diff --git a/testdata/project-v3-multigroup/config/crd/patches/webhook_in_lakers.yaml b/testdata/project-v3-multigroup/config/crd/patches/webhook_in_lakers.yaml
index bb71ce27b27..58df2264dde 100644
--- a/testdata/project-v3-multigroup/config/crd/patches/webhook_in_lakers.yaml
+++ b/testdata/project-v3-multigroup/config/crd/patches/webhook_in_lakers.yaml
@@ -12,3 +12,5 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions:
+      - v1
diff --git a/testdata/project-v3-multigroup/config/crd/patches/webhook_in_leviathans.yaml b/testdata/project-v3-multigroup/config/crd/patches/webhook_in_leviathans.yaml
index 7076f04bd80..5cb95bc7b38 100644
--- a/testdata/project-v3-multigroup/config/crd/patches/webhook_in_leviathans.yaml
+++ b/testdata/project-v3-multigroup/config/crd/patches/webhook_in_leviathans.yaml
@@ -12,3 +12,5 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions:
+      - v1
diff --git a/testdata/project-v3/config/crd/patches/webhook_in_admirales.yaml b/testdata/project-v3/config/crd/patches/webhook_in_admirales.yaml
index 2bde272e76a..cf986a6a411 100644
--- a/testdata/project-v3/config/crd/patches/webhook_in_admirales.yaml
+++ b/testdata/project-v3/config/crd/patches/webhook_in_admirales.yaml
@@ -12,3 +12,5 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions:
+      - v1
diff --git a/testdata/project-v3/config/crd/patches/webhook_in_captains.yaml b/testdata/project-v3/config/crd/patches/webhook_in_captains.yaml
index 39ef2528c5a..f73ae2e8abc 100644
--- a/testdata/project-v3/config/crd/patches/webhook_in_captains.yaml
+++ b/testdata/project-v3/config/crd/patches/webhook_in_captains.yaml
@@ -12,3 +12,5 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions:
+      - v1
diff --git a/testdata/project-v3/config/crd/patches/webhook_in_firstmates.yaml b/testdata/project-v3/config/crd/patches/webhook_in_firstmates.yaml
index a644d053242..76ee5acedbd 100644
--- a/testdata/project-v3/config/crd/patches/webhook_in_firstmates.yaml
+++ b/testdata/project-v3/config/crd/patches/webhook_in_firstmates.yaml
@@ -12,3 +12,5 @@ spec:
           namespace: system
           name: webhook-service
           path: /convert
+      conversionReviewVersions:
+      - v1