diff --git a/containers/docker/rocky8/Dockerfile b/containers/docker/rocky8/Dockerfile
index 244e9f4..45a7eaf 100644
--- a/containers/docker/rocky8/Dockerfile
+++ b/containers/docker/rocky8/Dockerfile
@@ -23,7 +23,7 @@ RUN dnf install -y gcc gcc-c++ gcc-gfortran gdb patch git flex freetype fontconf
     dnf install -y python3 python3-setuptools python3-pip python3-cryptography python3-pyyaml python3-wheel && \
     dnf install -y glibc-static glibc-gconv-extra which make libtool automake autoconf file bzip2 gzip p7zip p7zip-plugins && \
     dnf install -y openssl openssl-devel openssh-clients strace wget curl sssd-client bc && \
-    dnf install -y vim-common xz unzip zip cpio systemd-devel libidn rsync && \
+    dnf install -y vim-common xz unzip zip cpio systemd-devel libidn rsync apptainer && \
     pip3 install pycodestyle
 # Easybuild GitHub integration
 RUN pip3 install GitPython keyring keyrings.alt rich