diff --git a/Dockerfile b/Dockerfile
index 25814c7..89e6d5e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,7 @@
 # We stop at the end of this step in development, so it also includes the deploy command
 # We install jest, eslint and ts-node so we can run tests and lint.
 
-FROM node:21.4.0 AS development
+FROM node:21.7.3 AS development
 
 ENV NODE_ENV=development
 
@@ -39,7 +39,7 @@ CMD ["npm", "run", ".dev"]
 # We run the build command which creates the production bundle
 # We run npm ci --only=production to ensure that only the production dependencies are installed
 
-FROM node:21.4.0-alpine AS build
+FROM node:21.7.3-alpine AS build
 
 ENV NODE_ENV=production
 
@@ -72,7 +72,7 @@ RUN npm ci --omit:dev && npm cache clean --force
 # We set the user to node so that the container runs as the node user instead of root
 # We run the start command to start the application
 
-FROM node:21.4.0-alpine AS production
+FROM node:21.7.3-alpine AS production
 
 ENV NODE_ENV=production