diff --git a/Dockerfile b/Dockerfile
index 37aa28b..b1c8327 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM nginx:stable-alpine3.24
+FROM nginx:stable-alpine3.24@sha256:6b7a4f13aa1cb05946e90cfa70933418e51f99a9604305eec0779737077fa64d
 
 RUN rm -rf /usr/share/nginx/html/*
 COPY . /usr/share/nginx/html