diff --git a/claude/settings.json b/claude/settings.json
index 17a70c5..f9c6907 100644
--- a/claude/settings.json
+++ b/claude/settings.json
@@ -24,6 +24,7 @@
     }
   },
   "effortLevel": "high",
+  "subagentPromptCacheTtl": "1h",
   "tui": "default",
   "skipDangerousModePermissionPrompt": true,
   "theme": "dark",