diff --git a/Dockerfile b/Dockerfile
index b9ce32c4..968cf8a3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:24.14 AS build
+FROM node:24.14@sha256:80fc934952c8f1b2b4d39907af7211f8a9fff1a4c2cf673fb49099292c251cec AS build
 
 COPY frontend/package.json frontend/build-scripts/extract-versions.js frontend/package-lock.json /app/frontend/
 COPY backend/package.json backend/package-lock.json /app/backend/
@@ -11,7 +11,7 @@ COPY . ./
 
 RUN npm run build
 
-FROM node:24.14.1-alpine
+FROM node:24.14.1-alpine@sha256:8510330d3eb72c804231a834b1a8ebb55cb3796c3e4431297a24d246b8add4d5
 
 ENV USER_UID=1001
 ENV GROUP_UID=1001