diff --git a/arty.yml b/arty.yml
index 8a3c088..e8c7316 100644
--- a/arty.yml
+++ b/arty.yml
@@ -152,6 +152,8 @@ envs:
     AI_CRAWL4AI_PORT: 11235
     AI_OPENAI_API_BASE_URLS: https://api.anthropic.com/v1
     AI_LITELLM_TRAEFIK_HOST: llm.ai.pivoine.art
+    # RunPod GPU Tailscale IP (MagicDNS doesn't work from Docker containers)
+    GPU_TAILSCALE_HOST: 100.89.87.83
     # Watchtower
     WATCHTOWER_POLL_INTERVAL: 300
     WATCHTOWER_LABEL_ENABLE: true