diff --git a/config/base-kiro.settings.json b/config/base-kiro.settings.json
index 07ce1854..6243c415 100644
--- a/config/base-kiro.settings.json
+++ b/config/base-kiro.settings.json
@@ -2,7 +2,7 @@
   "env": {
     "ANTHROPIC_BASE_URL": "http://127.0.0.1:8317/api/provider/kiro",
     "ANTHROPIC_AUTH_TOKEN": "ccs-internal-managed",
-    "ANTHROPIC_MODEL": "kiro-auto",
+    "ANTHROPIC_MODEL": "kiro-claude-sonnet-4-6",
     "ANTHROPIC_DEFAULT_OPUS_MODEL": "kiro-claude-opus-4-7",
     "ANTHROPIC_DEFAULT_SONNET_MODEL": "kiro-claude-sonnet-4-6",
     "ANTHROPIC_DEFAULT_HAIKU_MODEL": "kiro-claude-haiku-4-5"