diff --git a/plugins/scaffolder-backend/src/service/router.ts b/plugins/scaffolder-backend/src/service/router.ts
index 61035c71fe..3132ccffda 100644
--- a/plugins/scaffolder-backend/src/service/router.ts
+++ b/plugins/scaffolder-backend/src/service/router.ts
@@ -340,7 +340,7 @@ export async function createRouter(
       const bodySchema = z.object({
         template: z.unknown(),
         values: z.record(z.unknown()),
-        secrets: z.record(z.string()),
+        secrets: z.record(z.string()).optional(),
         directoryContents: z.array(
           z.object({ path: z.string(), base64Content: z.string() }),
         ),
diff --git a/plugins/scaffolder/src/types.ts b/plugins/scaffolder/src/types.ts
index 4f56345cf3..c0b828314b 100644
--- a/plugins/scaffolder/src/types.ts
+++ b/plugins/scaffolder/src/types.ts
@@ -154,7 +154,7 @@ export interface ScaffolderStreamLogsOptions {
 export interface ScaffolderDryRunOptions {
   template: JsonValue;
   values: JsonObject;
-  secrets: JsonObject;
+  secrets?: Record<string, string>;
   directoryContents: { path: string; base64Content: string }[];
 }