diff --git a/CHANGES/537.dev b/CHANGES/537.dev
new file mode 100644
index 00000000..ccb88113
--- /dev/null
+++ b/CHANGES/537.dev
@@ -0,0 +1 @@
+CentOS Stream 9 is now used as the base image rather than CentOS Stream 8.
diff --git a/images/Containerfile.core.base b/images/Containerfile.core.base
index 6957fb46..28365e7b 100644
--- a/images/Containerfile.core.base
+++ b/images/Containerfile.core.base
@@ -1,4 +1,4 @@
-FROM quay.io/centos/centos:stream8
+FROM quay.io/centos/centos:stream9
 # https://ryandaniels.ca/blog/docker-dockerfile-arg-from-arg-trouble/
 
 # https://superuser.com/questions/959380/how-do-i-install-generate-all-locales-on-fedora
@@ -18,15 +18,12 @@ ENV PULP_GUNICORN_TIMEOUT=${PULP_GUNICORN_TIMEOUT:-90}
 ENV PULP_API_WORKERS=${PULP_API_WORKERS:-2}
 ENV PULP_CONTENT_WORKERS=${PULP_CONTENT_WORKERS:-2}
 
-# Install updates & dnf plugins before disabling python36 to prevent errors
+# Install updates & dnf plugins
 RUN dnf -y install dnf-plugins-core && \
-    dnf -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm && \
-    dnf config-manager --set-enabled powertools && \
+    dnf -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-9.noarch.rpm && \
+    dnf config-manager --set-enabled crb && \
     dnf -y update
 
-# use python38
-RUN dnf -y module disable python36
-RUN dnf -y module enable python38
 RUN dnf -y module enable nginx:1.22
 
 # glibc-langpack-en is needed to provide the en_US.UTF-8 locale, which Pulp
@@ -37,7 +34,7 @@ RUN dnf -y module enable nginx:1.22
 #
 # TODO: Investigate differences between `dnf builddep createrepo_c` vs the list
 # of dependencies below. For example, drpm-devel.
-RUN dnf -y install python38 python38-cryptography python38-devel && \
+RUN dnf -y install python3 python3-cryptography python3-devel && \
     dnf -y install openssl openssl-devel && \
     dnf -y install openldap-devel && \
     dnf -y install wget git && \
diff --git a/images/pulp-minimal/stable/Containerfile.webserver b/images/pulp-minimal/stable/Containerfile.webserver
index e1ba624a..8e9efd3f 100644
--- a/images/pulp-minimal/stable/Containerfile.webserver
+++ b/images/pulp-minimal/stable/Containerfile.webserver
@@ -3,9 +3,9 @@ FROM pulp/pulp-minimal:${FROM_TAG} as builder
 
 RUN mkdir -p /etc/nginx/pulp \
              /www/data
-RUN ln /usr/local/lib/python3.8/site-packages/pulp_ansible/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_ansible.conf
-RUN ln /usr/local/lib/python3.8/site-packages/pulp_container/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_container.conf
-RUN ln /usr/local/lib/python3.8/site-packages/pulp_python/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_python.conf
+RUN ln /usr/local/lib/python3.9/site-packages/pulp_ansible/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_ansible.conf
+RUN ln /usr/local/lib/python3.9/site-packages/pulp_container/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_container.conf
+RUN ln /usr/local/lib/python3.9/site-packages/pulp_python/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_python.conf
 
 
 
diff --git a/images/pulp/nightly/Containerfile b/images/pulp/nightly/Containerfile
index 681795ad..91d5748c 100644
--- a/images/pulp/nightly/Containerfile
+++ b/images/pulp/nightly/Containerfile
@@ -22,6 +22,6 @@ RUN PULP_STATIC_ROOT=/var/lib/operator/static/ PULP_CONTENT_ORIGIN=localhost \
        /usr/local/bin/pulpcore-manager collectstatic --clear --noinput --link
 USER root:root
 
-RUN ln /usr/local/lib/python3.8/site-packages/pulp_ansible/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_ansible.conf
-RUN ln /usr/local/lib/python3.8/site-packages/pulp_container/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_container.conf
-RUN ln /usr/local/lib/python3.8/site-packages/pulp_python/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_python.conf
+RUN ln /usr/local/lib/python3.9/site-packages/pulp_ansible/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_ansible.conf
+RUN ln /usr/local/lib/python3.9/site-packages/pulp_container/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_container.conf
+RUN ln /usr/local/lib/python3.9/site-packages/pulp_python/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_python.conf
diff --git a/images/pulp/stable/Containerfile b/images/pulp/stable/Containerfile
index ab938eed..03d8a363 100644
--- a/images/pulp/stable/Containerfile
+++ b/images/pulp/stable/Containerfile
@@ -33,6 +33,6 @@ RUN PULP_STATIC_ROOT=/var/lib/operator/static/ PULP_CONTENT_ORIGIN=localhost \
        /usr/local/bin/pulpcore-manager collectstatic --clear --noinput --link
 USER root:root
 
-RUN ln /usr/local/lib/python3.8/site-packages/pulp_ansible/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_ansible.conf
-RUN ln /usr/local/lib/python3.8/site-packages/pulp_container/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_container.conf
-RUN ln /usr/local/lib/python3.8/site-packages/pulp_python/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_python.conf
+RUN ln /usr/local/lib/python3.9/site-packages/pulp_ansible/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_ansible.conf
+RUN ln /usr/local/lib/python3.9/site-packages/pulp_container/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_container.conf
+RUN ln /usr/local/lib/python3.9/site-packages/pulp_python/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_python.conf
diff --git a/images/pulp_debuginfod/Containerfile b/images/pulp_debuginfod/Containerfile
index c91cae56..6af4a04b 100644
--- a/images/pulp_debuginfod/Containerfile
+++ b/images/pulp_debuginfod/Containerfile
@@ -30,9 +30,9 @@ RUN pip3 install --upgrade \
   requests && \
   rm -rf /root/.cache/pip
 
-RUN ln /usr/local/lib/python3.8/site-packages/pulp_ansible/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_ansible.conf
-RUN ln /usr/local/lib/python3.8/site-packages/pulp_container/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_container.conf
-RUN ln /usr/local/lib/python3.8/site-packages/pulp_python/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_python.conf
+RUN ln /usr/local/lib/python3.9/site-packages/pulp_ansible/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_ansible.conf
+RUN ln /usr/local/lib/python3.9/site-packages/pulp_container/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_container.conf
+RUN ln /usr/local/lib/python3.9/site-packages/pulp_python/app/webserver_snippets/nginx.conf /etc/nginx/pulp/pulp_python.conf
 
 # Install debuginfod and run as a background process
 RUN dnf -y install elfutils-debuginfod