diff --git a/Dockerfile b/Dockerfile
index 1b545d8c..f3c6d81a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -30,7 +30,7 @@ WORKDIR /app
 #######################################
 # image for creating the documentation
 ######################################
-FROM node:21.3.0-alpine as docs
+FROM node:21.4.0-alpine as docs
 
 # install packages
 RUN apk add --update --no-cache bash make git zsh curl tmux