diff --git a/test/docker/Dockerfile b/test/docker/Dockerfile
index d3062ce7e240d7cef9a02be5c421cde6b35ae5c7..dd6c8d65799d7ed7a8c4db0109d85f279d0778ac 100644
--- a/test/docker/Dockerfile
+++ b/test/docker/Dockerfile
@@ -1,17 +1,15 @@
-FROM debian:10
+FROM debian:11
 ADD node_gpg.asc /etc/apt/
 RUN  apt-get update \
     && apt-get install -y gnupg ca-certificates\
     && apt-key add /etc/apt/node_gpg.asc \
-    && echo "deb http://deb.debian.org/debian buster-backports main" >> /etc/apt/sources.list \
-    && echo "deb https://deb.nodesource.com/node_14.x buster main" >> /etc/apt/sources.list \
     && apt-get update \
     && apt-get install -y \
       firefox-esr gettext-base python3-pip \
       python3-httpbin git curl x11-apps xvfb unzip \
       libhdf5-dev \
       pkgconf \
-      nodejs # Don't install `npm` (Debian), it conflicts with the `nodejs` (Node) package \
+      nodejs npm \
     && apt-get install -f
 
 RUN pip3 install pylint pytest
@@ -19,6 +17,6 @@ RUN pip3 install caosdb>=0.7.4
 RUN pip3 install pandas
 RUN pip3 install git+https://gitlab.com/caosdb/caosdb-advanced-user-tools.git@dev
 # For automatic documentation
-#RUN npm install -g jsdoc
-#RUN npm install -g jsdoc-sphinx
+# RUN npm install -g jsdoc
+# RUN npm install -g jsdoc-sphinx
 RUN pip3 install sphinx-js sphinx-autoapi recommonmark sphinx-rtd-theme