diff --git a/Dockerfile b/Dockerfile
index b1a5eea..b9799e1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Use an official Python runtime as a parent image
-FROM python:3.11.9-alpine AS builder
+FROM python:3.13.0-alpine@sha256:fcbcbbecdeae71d3b77445d9144d1914df55110f825ab62b04a66c7c33c09373 AS builder
 
 # Set working directory
 WORKDIR /app
@@ -11,7 +11,7 @@ COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
 # Use a smaller base image for the final image
-FROM python:3.11.9-alpine
+FROM python:3.13.0-alpine@sha256:fcbcbbecdeae71d3b77445d9144d1914df55110f825ab62b04a66c7c33c09373
 
 # Set working directory
 WORKDIR /app