diff --git a/README.md b/README.md
index fe447af..a0bddce 100644
--- a/README.md
+++ b/README.md
@@ -8,9 +8,10 @@ Where to get help: [the ROOT forum](https://root-forum.cern.ch/)
 
 ### Latest images
 
-* [`latest`](https://github.com/root-project/root-docker/blob/6.38.00-ubuntu25.10/ubuntu2510/Dockerfile) -> [`6.38.00-ubuntu25.10`](https://github.com/root-project/root-docker/blob/6.38.00-ubuntu25.10/ubuntu2510/Dockerfile)
+* [`latest`](https://github.com/root-project/root-docker/blob/6.40.02-ubuntu26.04/ubuntu2604/Dockerfile) -> [`6.40.02-ubuntu26.04`](https://github.com/root-project/root-docker/blob/6.40.02-ubuntu26.04/ubuntu2604/Dockerfile)
 
 ### Archive
+* [`6.40.02-ubuntu26.04`](https://github.com/root-project/root-docker/blob/6.40.02-ubuntu26.04/ubuntu2604/Dockerfile)
 * [`6.38.00-ubuntu25.10`](https://github.com/root-project/root-docker/blob/6.38.00-ubuntu25.10/ubuntu2510/Dockerfile)
 * [`6.36.00-ubuntu25.04`](https://github.com/root-project/root-docker/blob/6.36.00-ubuntu25.04/ubuntu2504/Dockerfile), [`6.34.00-ubuntu24.10`](https://github.com/root-project/root-docker/blob/6.34.00-ubuntu24.10/ubuntu2410/Dockerfile)
 * [`6.34.00-ubuntu24.04`](https://github.com/root-project/root-docker/blob/6.34.00-ubuntu24.04/ubuntu2404/Dockerfile), [`6.32.04-ubuntu24.04`](https://github.com/root-project/root-docker/blob/6.32.04-ubuntu24.04/ubuntu2404/Dockerfile), [`6.32.02-ubuntu24.04`](https://github.com/root-project/root-docker/blob/6.32.02-ubuntu24.04/ubuntu2404/Dockerfile), [`6.32.00-ubuntu24.04`](https://github.com/root-project/root-docker/blob/6.32.00-ubuntu24.04/ubuntu2404/Dockerfile)
diff --git a/ubuntu2604/Dockerfile b/ubuntu2604/Dockerfile
new file mode 100644
index 0000000..b49bb19
--- /dev/null
+++ b/ubuntu2604/Dockerfile
@@ -0,0 +1,30 @@
+FROM ubuntu:26.04
+
+LABEL maintainer.name="ROOT team"
+LABEL maintainer.email="root-dev@cern.ch"
+
+ENV LANG=C.UTF-8
+
+ARG ROOT_BIN=root_v6.40.02.Linux-ubuntu26.04-x86_64-gcc15.2.tar.gz
+WORKDIR /opt
+
+COPY packages packages
+
+RUN apt-get update -qq \
+ && ln -sf /usr/share/zoneinfo/UTC /etc/localtime \
+ && apt-get -y install $(cat packages) wget\
+ && apt install unminimize \
+ && rm -rf /var/lib/apt/lists/*\
+ && wget https://root.cern/download/${ROOT_BIN} \
+ && tar -xzvf ${ROOT_BIN} \
+ && rm -f ${ROOT_BIN} \
+ && echo /opt/root/lib >> /etc/ld.so.conf \
+ && ldconfig
+RUN yes | unminimize
+
+ENV ROOTSYS=/opt/root
+ENV PATH=$ROOTSYS/bin:$PATH
+ENV PYTHONPATH=$ROOTSYS/lib:$PYTHONPATH
+ENV CLING_STANDARD_PCH=none
+
+CMD ["root", "-b"]
diff --git a/ubuntu2604/packages b/ubuntu2604/packages
new file mode 100644
index 0000000..8c99f01
--- /dev/null
+++ b/ubuntu2604/packages
@@ -0,0 +1,50 @@
+ca-certificates
+cmake
+curl
+davix-dev
+dcap-dev
+fonts-freefont-ttf
+g++
+gcc
+gfortran
+git
+libafterimage-dev
+libcfitsio-dev
+libfftw3-dev
+libfreetype6-dev
+libftgl-dev
+libgif-dev
+libgl2ps-dev
+libglew-dev
+libglu-dev
+libgraphviz-dev
+libgsl-dev
+libjpeg-dev
+liblz4-dev
+liblzma-dev
+libpcre2-dev
+libpng-dev
+libpq-dev
+libsqlite3-dev
+libssl-dev
+libtbb-dev
+libtiff-dev
+libunuran-dev
+libx11-dev
+libxext-dev
+libxft-dev
+libxml2-dev
+libxpm-dev
+libxxhash-dev
+libvdt-dev
+libz-dev
+libzstd-dev
+locales
+make
+nlohmann-json3-dev
+protobuf-compiler
+python3-dev
+python3-onnx
+python3-numpy
+python-is-python3
+xrootd-plugins