diff --git a/src/claude.integration-test.ts b/src/claude.integration-test.ts
index cddbc5c..f25a43f 100644
--- a/src/claude.integration-test.ts
+++ b/src/claude.integration-test.ts
@@ -22,7 +22,7 @@ const fullSchema = z.object({
   backgroundAgents: z.array(z.object({
     name: z.string(),
     prompt: z.string(),
-    model: z.enum(["haiku", "sonnet", "opus"]).optional(),
+    model: z.enum(["haiku", "sonnet", "opus", "fable"]).optional(),
   })).optional(),
 });
 
diff --git a/src/orchestrator.ts b/src/orchestrator.ts
index 9985dc6..a86f557 100644
--- a/src/orchestrator.ts
+++ b/src/orchestrator.ts
@@ -29,7 +29,7 @@ const HEALTH_CHECK_TIMEOUT_MS = 120 * 1000;
 const backgroundAgentSchema = z.object({
   name: z.string().describe("Label for the background agent"),
   prompt: z.string().describe("The prompt/task for the background agent"),
-  model: z.enum(["haiku", "sonnet", "opus"]).describe("Model to use for the background agent").optional(),
+  model: z.enum(["haiku", "sonnet", "opus", "fable"]).describe("Model to use for the background agent").optional(),
 });
 
 const agentOutputSchema = z.object({
diff --git a/src/settings.ts b/src/settings.ts
index 94dd133..8ac117a 100644
--- a/src/settings.ts
+++ b/src/settings.ts
@@ -9,7 +9,7 @@ const log = createLogger("settings");
 export const settingsSchema = z.object({
   botToken: z.string().trim(),
   adminChatId: z.string().trim().regex(/^-?\d+$/, "Must be a numeric Telegram chat ID"),
-  model: z.string().trim().pipe(z.enum(["haiku", "sonnet", "opus"])).default("sonnet"),
+  model: z.string().trim().pipe(z.enum(["haiku", "sonnet", "opus", "fable"])).default("sonnet"),
   workspace: z.string().trim().default("~/.macroclaw-workspace"),
   timeZone: z.string().trim().refine((tz) => IANAZone.isValidZone(tz), "Must be a valid IANA timezone").default("UTC"),
   openaiApiKey: z.string().trim().optional(),