diff --git a/docker/collabora/Dockerfile b/docker/collabora/Dockerfile
index cc060ee2..8e66376e 100644
--- a/docker/collabora/Dockerfile
+++ b/docker/collabora/Dockerfile
@@ -1,55 +1,55 @@
-FROM apheleia/almalinux8
+FROM apheleia/almalinux9
 
 ARG REPOSITORY
 
 RUN id cool || (groupadd -g 1001 cool && useradd -d /opt/cool/ -u 1001 -g 1001 cool)
 
 RUN rpm --import "$REPOSITORY/repodata/repomd.xml.key" && \
     dnf config-manager --add-repo "$REPOSITORY" && \
     dnf -y --setopt tsflags= install \
     openssl \
     xmlstarlet \
     coolwsd \
     collaboraoffice-dict-de \
     collaboraofficebasis-de \
     collaboraoffice-dict-en \
     collaboraofficebasis-en-GB \
     collaboraoffice-dict-es \
     collaboraofficebasis-es \
     collaboraoffice-dict-fr \
     collaboraofficebasis-fr \
     collaboraoffice-dict-it \
     collaboraofficebasis-it \
     collaboraoffice-dict-nl \
     collaboraofficebasis-nl \
     collaboraoffice-dict-pt-BR \
     collaboraofficebasis-pt-BR \
     collaboraoffice-dict-pt-PT \
     collaboraofficebasis-pt \
     collaboraoffice-dict-ru \
     collaboraofficebasis-ru && \
     dnf -y --setopt tsflags= install \
     collabora-online-brand || : && \
     dnf clean all && \
     chown -R 1001:0 /etc/coolwsd /opt/ && \
     chmod -R g=u /etc/coolwsd /opt/
 
 RUN sed -i -r -e 's/^SELINUX=.*$/SELINUX=permissive/g' /etc/selinux/config 2>/dev/null || :
 
 RUN setcap cap_fowner,cap_chown,cap_mknod,cap_sys_chroot=ep /usr/bin/coolforkit && \
     setcap cap_sys_admin=ep /usr/bin/coolmount
 
 WORKDIR /opt/cool/
 
 ADD init.sh /init.sh
 ADD coolwsd.xml /etc/coolwsd/coolwsd.xml
 
 USER 1001
 
 #Space separated list of hosts (where the service is running)
 ENV ALLOWED_HOSTS="\.\*"
 ENV SERVER_NAME=""
 
 CMD ["/init.sh"]
 
 EXPOSE 9980