diff --git a/docker/utils/Dockerfile b/docker/utils/Dockerfile
index 4bd5bf13..6dcd0e0a 100644
--- a/docker/utils/Dockerfile
+++ b/docker/utils/Dockerfile
@@ -1,74 +1,75 @@
 FROM apheleia/almalinux9
 
 ENV HOME=/opt/app-root/src
 
 # Install troubleshooting utilities
 # FIXME not available under ppc64le
         # chromium \
         # chromedriver \
 RUN dnf -y install \
         --setopt 'tsflags=nodocs' \
         bind-utils \
         bzip2 \
         cmake \
         cyrus-imapd \
         cyrus-sasl-plain \
         expat-devel \
         gcc \
         git \
         libjpeg-turbo-devel \
         lsof \
+        whois \
         net-tools \
         nmap-ncat \
         openldap-clients \
         openssh-server \
         php \
         psmisc \
         iputils \
         mariadb \
         procps-ng \
         python3 \
         python3-devel \
         python3-pip \
         python3-pytz \
         strace \
         telnet \
         traceroute \
         vim-enhanced \
         wget \
         jq \
         ruby \
         zlib-devel && \
     dnf clean all
 
 RUN git clone https://github.com/libwbxml/libwbxml.git && \
     cd libwbxml && \
     mkdir build && \
     cd build && \
     cmake -D CMAKE_INSTALL_PREFIX=/usr .. && \
     make && \
     make install && \
     mv /usr/lib/libwbxml2.so* /usr/lib64/ && \
     cd .. && \
     rm -rf libwbxml
 
 # RUN pip3 install distro xmltodict dnspython dkimpy && \
 #     pip3 install \
 #     --global-option=build_ext \
 #     --global-option="-I/usr/include/libwbxml-1.0/wbxml/" \
 #     git+https://github.com/kanarip/python-wbxml#egg=wbxml
 
 # imapcli deps
 RUN gem install thor
 
 RUN id default || (groupadd -g 1001 default && useradd -d /opt/app-root/src/ -u 1001 -g 1001 default)
 
 COPY /rootfs /
 
 RUN chgrp -R 0 /opt/app-root/src && \
     chmod -R g=u /opt/app-root/src && \
     chown -R 1001:0 /opt/app-root/src
 
 USER 1001
 
 WORKDIR ${HOME}