diff --git a/web/src/components/NewSession/types.ts b/web/src/components/NewSession/types.ts
index 332cf2e0..8dd963a2 100644
--- a/web/src/components/NewSession/types.ts
+++ b/web/src/components/NewSession/types.ts
@@ -15,6 +15,7 @@ export const MODEL_OPTIONS: Record<AgentType, { value: string; label: string }[]
     ],
     codex: [
         { value: 'auto', label: 'Auto' },
+        { value: 'gpt-5.5', label: 'GPT-5.5' },
         { value: 'gpt-5.4', label: 'GPT-5.4' },
         { value: 'gpt-5.4-mini', label: 'GPT-5.4 Mini' },
         { value: 'gpt-5.3-codex', label: 'GPT-5.3 Codex' },