diff --git a/Dockerfile b/Dockerfile
index fcfb312..f1b68a4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.11.8-alpine3.19
+FROM python:3.11.8-alpine3.19@sha256:65cb2034c64b4519f1481c552a30ae3fe19f47f3610513b0387dc2e1570080fa
 
 RUN pip install --upgrade pip