diff --git a/SecretAgentKitTests/StubStore.swift b/SecretAgentKitTests/StubStore.swift
index a226796..c96092c 100644
--- a/SecretAgentKitTests/StubStore.swift
+++ b/SecretAgentKitTests/StubStore.swift
@@ -48,7 +48,7 @@ extension Stub {
             print("Public Key OpenSSH: \(OpenSSHKeyWriter().openSSHString(secret: secret))")
         }
 
-        public func sign(data: Data, with secret: Secret) throws -> Data {
+        public func sign(data: Data, with secret: Secret, for provenance: SigningRequestProvenance) throws -> Data {
             guard !shouldThrow else {
                 throw NSError()
             }
diff --git a/Secretive/Preview Content/PreviewStore.swift b/Secretive/Preview Content/PreviewStore.swift
index 892eaaa..40b79b9 100644
--- a/Secretive/Preview Content/PreviewStore.swift	
+++ b/Secretive/Preview Content/PreviewStore.swift	
@@ -35,7 +35,7 @@ extension Preview {
             self.secrets.append(contentsOf: new)
         }
 
-        func sign(data: Data, with secret: Preview.Secret) throws -> Data {
+        func sign(data: Data, with secret: Preview.Secret, for provenance: SigningRequestProvenance) throws -> Data {
             return data
         }