diff --git a/deploy/Dockerfile b/deploy/Dockerfile
index f3105ee..24b15a5 100644
--- a/deploy/Dockerfile
+++ b/deploy/Dockerfile
@@ -10,7 +10,7 @@
 #
 # The serving image needs neither PyTorch nor the decisionrl package, only onnxruntime +
 # FastAPI, so it stays small. The entrypoint is the standalone deploy/serve.py.
-FROM python:3.12-slim
+FROM python:3.14-slim
 
 WORKDIR /app