diff --git a/test/images/agnhost/VERSION b/test/images/agnhost/VERSION
index f454b8169e3..85750d29d21 100644
--- a/test/images/agnhost/VERSION
+++ b/test/images/agnhost/VERSION
@@ -1 +1 @@
-2.44
+2.45
diff --git a/test/images/agnhost/audit-proxy/main.go b/test/images/agnhost/audit-proxy/main.go
index e6ac074f111..f94ea0a2d24 100644
--- a/test/images/agnhost/audit-proxy/main.go
+++ b/test/images/agnhost/audit-proxy/main.go
@@ -48,7 +48,7 @@ var (
 func main(cmd *cobra.Command, args []string) {
 	scheme := runtime.NewScheme()
 	auditinstall.Install(scheme)
-	serializer := json.NewSerializer(json.DefaultMetaFactory, scheme, scheme, false)
+	serializer := json.NewSerializerWithOptions(json.DefaultMetaFactory, scheme, scheme, json.SerializerOptions{Pretty: false})
 	encoder = audit.Codecs.EncoderForVersion(serializer, auditv1.SchemeGroupVersion)
 	decoder = audit.Codecs.UniversalDecoder(auditv1.SchemeGroupVersion)
 
diff --git a/test/images/agnhost/crd-conversion-webhook/converter/converter_test.go b/test/images/agnhost/crd-conversion-webhook/converter/converter_test.go
index b7b9ffa6d4f..69a4b7efce6 100644
--- a/test/images/agnhost/crd-conversion-webhook/converter/converter_test.go
+++ b/test/images/agnhost/crd-conversion-webhook/converter/converter_test.go
@@ -92,7 +92,7 @@ request:
 				return
 			}
 
-			yamlSerializer := json.NewYAMLSerializer(json.DefaultMetaFactory, scheme, scheme)
+			yamlSerializer := json.NewSerializerWithOptions(json.DefaultMetaFactory, scheme, scheme, json.SerializerOptions{Yaml: true})
 			if _, _, err := yamlSerializer.Decode(response.Body.Bytes(), nil, &convertReview); err != nil {
 				t.Fatalf("cannot decode data: \n %v\n Error: %v", response.Body, err)
 			}
diff --git a/test/images/agnhost/crd-conversion-webhook/converter/framework.go b/test/images/agnhost/crd-conversion-webhook/converter/framework.go
index b8c7ea87cd4..9df06c05ca9 100644
--- a/test/images/agnhost/crd-conversion-webhook/converter/framework.go
+++ b/test/images/agnhost/crd-conversion-webhook/converter/framework.go
@@ -216,8 +216,8 @@ func addToScheme(scheme *runtime.Scheme) {
 }
 
 var serializers = map[mediaType]runtime.Serializer{
-	{"application", "json"}: json.NewSerializer(json.DefaultMetaFactory, scheme, scheme, false),
-	{"application", "yaml"}: json.NewYAMLSerializer(json.DefaultMetaFactory, scheme, scheme),
+	{"application", "json"}: json.NewSerializerWithOptions(json.DefaultMetaFactory, scheme, scheme, json.SerializerOptions{Pretty: false}),
+	{"application", "yaml"}: json.NewSerializerWithOptions(json.DefaultMetaFactory, scheme, scheme, json.SerializerOptions{Yaml: true}),
 }
 
 func getInputSerializer(contentType string) runtime.Serializer {