diff --git a/Dockerfile b/Dockerfile
index 6d21b6d..8fb1a64 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # Pool classifier web service — Cloud Run image.
 # Build context is the repository root.
-FROM ghcr.io/astral-sh/uv:0.12.5 AS uv
+FROM ghcr.io/astral-sh/uv:0.12.9 AS uv
 FROM python:3.14-slim
 
 ARG POOL_CLASSIFIER_COMMIT=unknown