diff --git a/bin/build b/bin/build
index 197dd4b77..aaaa32af1 100755
--- a/bin/build
+++ b/bin/build
@@ -2,8 +2,6 @@
 
 TAG=latest
 
-ARCH=`uname -m`
-
 RPM_BUILD_OPTIONS=${RPM_BUILD_OPTIONS:-""}
 RPM_BUILD_IMAGE=${RPM_BUILD_IMAGE:-"manageiq/rpm_build:$TAG"}
 RPM_PREFIX=${RPM_PREFIX:-"manageiq"}
@@ -63,7 +61,6 @@ pushd $IMAGE_DIR
 
   cmd+=" --tag $REPO/manageiq-base:$TAG \
          --pull \
-         --build-arg ARCH=$ARCH \
          --build-arg RPM_PREFIX=$RPM_PREFIX"
 
   if [ -n "$NO_CACHE" ]; then
diff --git a/images/manageiq-base/Dockerfile b/images/manageiq-base/Dockerfile
index 1872071a2..3e6322428 100644
--- a/images/manageiq-base/Dockerfile
+++ b/images/manageiq-base/Dockerfile
@@ -1,7 +1,6 @@
-FROM registry.access.redhat.com/ubi8/ubi
+FROM registry.access.redhat.com/ubi9/ubi
 MAINTAINER ManageIQ https://manageiq.org
 
-ARG ARCH=x86_64
 ARG LOCAL_RPM
 ARG RELEASE_BUILD
 ARG RPM_PREFIX=manageiq
@@ -26,34 +25,31 @@ RUN chmod -R g+w /etc/pki/ca-trust && \
     chmod -R g+w /usr/share/pki/ca-trust-legacy
 
 # Install dumb-init to be used as the entrypoint
-RUN curl -L -o /usr/bin/dumb-init https://github.com/Yelp/dumb-init/releases/download/v1.2.2/dumb-init_1.2.2_${ARCH} && \
+RUN ARCH=$(uname -m) && \
+    curl -L -o /usr/bin/dumb-init https://github.com/Yelp/dumb-init/releases/download/v1.2.2/dumb-init_1.2.2_${ARCH} && \
     chmod +x /usr/bin/dumb-init
 
 COPY rpms/* /tmp/rpms/
 COPY container-assets/create_local_yum_repo.sh /
 COPY container-assets/clean_dnf_rpm /usr/local/bin/
 
-RUN dnf config-manager --setopt=tsflags=nodocs --setopt=install_weak_deps=False --save && \
-    if [ ${ARCH} != "s390x" ] ; then \
-      dnf -y --setopt=protected_packages= remove redhat-release && \
-      dnf -y remove *subscription-manager* && \
-      dnf -y install \
-        http://mirror.centos.org/centos/8-stream/BaseOS/${ARCH}/os/Packages/centos-stream-release-8.6-1.el8.noarch.rpm \
-        http://mirror.centos.org/centos/8-stream/BaseOS/${ARCH}/os/Packages/centos-stream-repos-8-6.el8.noarch.rpm \
-        http://mirror.centos.org/centos/8-stream/BaseOS/${ARCH}/os/Packages/centos-gpg-keys-8-6.el8.noarch.rpm && \
-      dnf config-manager --setopt=appstream*.exclude=*httpd*,mod_ssl --save \
-    ; fi && \
+RUN ARCH=$(uname -m) && \
+    dnf config-manager --setopt=tsflags=nodocs --setopt=install_weak_deps=False --save && \
+    dnf -y --setopt=protected_packages= remove redhat-release && \
+    dnf -y remove *subscription-manager* && \
     dnf -y install \
-      httpd \
-      mod_ssl \
-      https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm \
-      https://rpm.manageiq.org/release/18-radjabov/el8/noarch/manageiq-release-18.0-1.el8.noarch.rpm && \
-    dnf -y update && \
-    dnf -y module enable postgresql:13 ruby:3.1 && \
+      http://mirror.stream.centos.org/9-stream/BaseOS/${ARCH}/os/Packages/centos-stream-release-9.0-24.el9.noarch.rpm \
+      http://mirror.stream.centos.org/9-stream/BaseOS/${ARCH}/os/Packages/centos-stream-repos-9.0-24.el9.noarch.rpm \
+      http://mirror.stream.centos.org/9-stream/BaseOS/${ARCH}/os/Packages/centos-gpg-keys-9.0-24.el9.noarch.rpm && \
+    dnf -y install \
+      https://dl.fedoraproject.org/pub/epel/epel-release-latest-9.noarch.rpm \
+      https://rpm.manageiq.org/release/18-radjabov/el9/noarch/manageiq-release-18.0-1.el9.noarch.rpm && \
     if [[ "$RELEASE_BUILD" != "true" ]]; then dnf config-manager --enable manageiq-18-radjabov-nightly; fi && \
-    dnf config-manager --setopt=ubi-8-*.exclude=dracut*,net-snmp*,redhat-release* --save && \
     if [[ "$LOCAL_RPM" = "true" ]]; then /create_local_yum_repo.sh; fi && \
+    dnf -y module enable ruby:3.1 && \
     dnf -y install \
+      httpd \
+      mod_ssl \
       ${RPM_PREFIX}-pods \
       python3-devel && \
     clean_dnf_rpm && \
diff --git a/lib/tasks/release.rake b/lib/tasks/release.rake
index 94cf04e3d..53b3b58b8 100644
--- a/lib/tasks/release.rake
+++ b/lib/tasks/release.rake
@@ -74,7 +74,7 @@ namespace :release do
     content = base_dockerfile.read
     content.sub!(/^(ARG BUILD_REF=)\w+/, "\\1#{branch}")
     content.sub!(%r{(/rpm.manageiq.org/release/)\d+-\w+}, "\\1#{rpm_repo_name}")
-    content.sub!(%r{(/el8/noarch/manageiq-release-)\d+\.\d+-\d+}, "\\1#{branch_number}.0-1")
+    content.sub!(%r{(/el\d/noarch/manageiq-release-)\d+\.\d+-\d+}, "\\1#{branch_number}.0-1")
     content.sub!(/(manageiq-)\d+-\w+(-nightly)/, "\\1#{rpm_repo_name}\\2")
     base_dockerfile.write(content)
 
@@ -135,7 +135,7 @@ namespace :release do
     base_dockerfile = root.join("images", "manageiq-base", "Dockerfile")
     content = base_dockerfile.read
     content.sub!(%r{(/rpm.manageiq.org/release/)\d+-\w+}, "\\1#{rpm_repo_name}")
-    content.sub!(%r{(/el8/noarch/manageiq-release-)\d+\.\d+-\d+}, "\\1#{next_branch_number}.0-1")
+    content.sub!(%r{(/el\d/noarch/manageiq-release-)\d+\.\d+-\d+}, "\\1#{next_branch_number}.0-1")
     content.sub!(/(manageiq-)\d+-\w+(-nightly)/, "\\1#{rpm_repo_name}\\2")
     base_dockerfile.write(content)