diff --git a/provisioners.pb.go b/provisioners.pb.go
index 0b37f0c..eb4a69d 100644
--- a/provisioners.pb.go
+++ b/provisioners.pb.go
@@ -207,9 +207,10 @@ func (ACMEProvisioner_AttestationFormatType) EnumDescriptor() ([]byte, []int) {
 type Webhook_Kind int32
 
 const (
-	Webhook_NO_KIND     Webhook_Kind = 0
-	Webhook_ENRICHING   Webhook_Kind = 1
-	Webhook_AUTHORIZING Webhook_Kind = 2
+	Webhook_NO_KIND       Webhook_Kind = 0
+	Webhook_ENRICHING     Webhook_Kind = 1
+	Webhook_AUTHORIZING   Webhook_Kind = 2
+	Webhook_SCEPCHALLENGE Webhook_Kind = 3
 )
 
 // Enum value maps for Webhook_Kind.
@@ -218,11 +219,13 @@ var (
 		0: "NO_KIND",
 		1: "ENRICHING",
 		2: "AUTHORIZING",
+		3: "SCEPCHALLENGE",
 	}
 	Webhook_Kind_value = map[string]int32{
-		"NO_KIND":     0,
-		"ENRICHING":   1,
-		"AUTHORIZING": 2,
+		"NO_KIND":       0,
+		"ENRICHING":     1,
+		"AUTHORIZING":   2,
+		"SCEPCHALLENGE": 3,
 	}
 )
 
@@ -506,6 +509,7 @@ type ProvisionerDetails struct {
 	unknownFields protoimpl.UnknownFields
 
 	// Types that are assignable to Data:
+	//
 	//	*ProvisionerDetails_JWK
 	//	*ProvisionerDetails_OIDC
 	//	*ProvisionerDetails_GCP
@@ -1945,6 +1949,7 @@ type Webhook struct {
 	Kind   Webhook_Kind `protobuf:"varint,4,opt,name=kind,proto3,enum=linkedca.Webhook_Kind" json:"kind,omitempty"`
 	Secret string       `protobuf:"bytes,5,opt,name=secret,proto3" json:"secret,omitempty"`
 	// Types that are assignable to Auth:
+	//
 	//	*Webhook_BearerToken
 	//	*Webhook_BasicAuth
 	Auth                 isWebhook_Auth   `protobuf_oneof:"auth"`
@@ -2343,7 +2348,7 @@ var file_provisioners_proto_rawDesc = []byte{
 	0x08, 0x70, 0x61, 0x73, 0x73, 0x77, 0x6f, 0x72, 0x64, 0x22, 0x30, 0x0a, 0x0b, 0x42, 0x65, 0x61,
 	0x72, 0x65, 0x72, 0x54, 0x6f, 0x6b, 0x65, 0x6e, 0x12, 0x21, 0x0a, 0x0c, 0x62, 0x65, 0x61, 0x72,
 	0x65, 0x72, 0x5f, 0x74, 0x6f, 0x6b, 0x65, 0x6e, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0b,
-	0x62, 0x65, 0x61, 0x72, 0x65, 0x72, 0x54, 0x6f, 0x6b, 0x65, 0x6e, 0x22, 0xca, 0x03, 0x0a, 0x07,
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 	0x57, 0x65, 0x62, 0x68, 0x6f, 0x6f, 0x6b, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18,
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 	0x64, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x02, 0x69, 0x64, 0x12, 0x10, 0x0a, 0x03, 0x75,
@@ -2366,15 +2371,16 @@ var file_provisioners_proto_rawDesc = []byte{
 	0x72, 0x74, 0x5f, 0x74, 0x79, 0x70, 0x65, 0x18, 0x09, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x1a, 0x2e,
 	0x6c, 0x69, 0x6e, 0x6b, 0x65, 0x64, 0x63, 0x61, 0x2e, 0x57, 0x65, 0x62, 0x68, 0x6f, 0x6f, 0x6b,
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 	0x43, 0x48, 0x49, 0x4e, 0x47, 0x10, 0x01, 0x12, 0x0f, 0x0a, 0x0b, 0x41, 0x55, 0x54, 0x48, 0x4f,
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+	0x63, 0x61, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/provisioners.proto b/provisioners.proto
index 5663391..21e1b9f 100644
--- a/provisioners.proto
+++ b/provisioners.proto
@@ -193,6 +193,7 @@ message Webhook {
 		NO_KIND = 0;
 		ENRICHING = 1;
 		AUTHORIZING = 2;
+		SCEPCHALLENGE = 3;
 	}
 	enum CertType {
 		ALL = 0;