diff --git a/agent-profiles.toml b/agent-profiles.toml
index 3d2d416..74b14ba 100644
--- a/agent-profiles.toml
+++ b/agent-profiles.toml
@@ -100,7 +100,7 @@ manifest_path = "~/.claude/agents/modal-runner.md"
 id = "validator"
 role = "validator"
 caps = "RO-FS-WEB"
-default_model_ref = "anthropic/claude-haiku-4-5"
+default_model_ref = "anthropic/claude-haiku-4-5-20251001"
 description = "RULE 0.4 fact-checker. API existence, version compat, doc claims. Haiku — narrow tasks."
 manifest_path = "~/.claude/agents/validator.md"
 
@@ -108,6 +108,6 @@ manifest_path = "~/.claude/agents/validator.md"
 id = "cost-guardian"
 role = "cost-guardian"
 caps = "RO-FS-BASH-WEB"
-default_model_ref = "anthropic/claude-haiku-4-5"
+default_model_ref = "anthropic/claude-haiku-4-5-20251001"
 description = "Pre-launch compute cost verification. Dashboard balance, running jobs, head-room."
 manifest_path = "~/.claude/agents/cost-guardian.md"