diff --git a/Dockerfile b/Dockerfile
index d236349..489c5fe 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1.7
-FROM python:3.14-slim
+FROM python:3.14.3-slim
 
 ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1