diff --git a/lesson_1/Dockerfile b/lesson_1/Dockerfile
index ec63167..df42b75 100644
--- a/lesson_1/Dockerfile
+++ b/lesson_1/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.13.5-slim-bookworm
+FROM python:3.14.5-slim-bookworm
 WORKDIR /flask-simple-app
 COPY requirements.txt requirements.txt
 COPY app.py app.py