diff --git a/Containerfile.centos-stream10 b/Containerfile.centos-stream10
index e80a854..1524953 100644
--- a/Containerfile.centos-stream10
+++ b/Containerfile.centos-stream10
@@ -12,8 +12,9 @@ COPY --from=repos /etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial /etc/pki/rpm-gpg
 # rpm-ostree doesn't honor /etc/dnf/vars right now
 RUN for n in $(ls /etc/dnf/vars); do v=$(cat /etc/dnf/vars/$n); sed -ie s,\$${n},$v, c10s.repo; done
 RUN --mount=type=cache,target=/workdir --mount=type=bind,rw=true,src=.,dst=/buildcontext,bind-propagation=shared \
-    cp -a /buildcontext /src && rm -vf /src/*.repo && cp -a c10s.repo /src && ls -al /src  &&\
-    rpm-ostree compose image --cachedir=/workdir --format=ociarchive --initialize /src/${MANIFEST} /buildcontext/out.ociarchive
+    cp -a /buildcontext /src && rm -vf /src/*.repo && cp -a c10s.repo /src && ls -al /src && \
+    rpm-ostree compose image --image-config /buildcontext/centos-bootc-config.json \
+     --cachedir=/workdir --format=ociarchive --initialize /src/${MANIFEST} /buildcontext/out.ociarchive
 
 FROM oci-archive:./out.ociarchive
 # Need to reference builder here to force ordering. But since we have to run
diff --git a/Containerfile.centos-stream9 b/Containerfile.centos-stream9
index 4bdf46b..8ca6fca 100644
--- a/Containerfile.centos-stream9
+++ b/Containerfile.centos-stream9
@@ -33,7 +33,8 @@ COPY --from=repos /etc/yum.repos.d/centos.repo c9s.repo
 COPY --from=repos /etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial /etc/pki/rpm-gpg
 # rpm-ostree doesn't honor /etc/dnf/vars right now
 RUN for n in $(ls /etc/dnf/vars); do v=$(cat /etc/dnf/vars/$n); sed -ie s,\$${n},$v, c9s.repo; done
-RUN --mount=type=cache,target=/workdir --mount=type=bind,rw=true,src=.,dst=/buildcontext,bind-propagation=shared rpm-ostree compose image --cachedir=/workdir --format=ociarchive --initialize /buildcontext/${MANIFEST} /buildcontext/out.ociarchive
+RUN --mount=type=cache,target=/workdir --mount=type=bind,rw=true,src=.,dst=/buildcontext,bind-propagation=shared \
+    rpm-ostree compose image --image-config /buildcontext/centos-bootc-config.json --cachedir=/workdir --format=ociarchive --initialize /buildcontext/${MANIFEST} /buildcontext/out.ociarchive
 
 FROM oci-archive:./out.ociarchive
 # Need to reference builder here to force ordering. But since we have to run
diff --git a/Containerfile.fedora-40 b/Containerfile.fedora-40
index 840fd8d..bf17e0f 100644
--- a/Containerfile.fedora-40
+++ b/Containerfile.fedora-40
@@ -32,7 +32,8 @@ COPY --from=repos /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-* /etc/pki/rpm-gpg
 COPY . /src
 RUN rm -vf /src/*.repo
 COPY --from=repos /etc/yum.repos.d/*.repo /src
-RUN --mount=type=cache,target=/workdir --mount=type=bind,rw=true,src=.,dst=/buildcontext,bind-propagation=shared rpm-ostree compose image --cachedir=/workdir --format=ociarchive --initialize /src/${MANIFEST} /buildcontext/out.ociarchive
+RUN --mount=type=cache,target=/workdir --mount=type=bind,rw=true,src=.,dst=/buildcontext,bind-propagation=shared rpm-ostree compose image \
+ --image-config /buildcontext/fedora-bootc-config.json --cachedir=/workdir --format=ociarchive --initialize /src/${MANIFEST} /buildcontext/out.ociarchive
 
 FROM oci-archive:./out.ociarchive
 # Need to reference builder here to force ordering. But since we have to run
diff --git a/fedora-bootc-config.json b/fedora-bootc-config.json
new file mode 100644
index 0000000..f5429f9
--- /dev/null
+++ b/fedora-bootc-config.json
@@ -0,0 +1,9 @@
+{
+    "Labels": {
+        "containers.bootc": "1",
+        "bootc.diskimage-builder": "quay.io/centos-bootc/bootc-image-builder",
+        "redhat.id": "fedora",
+        "redhat.version-id": "40"
+    },
+    "StopSignal": "SIGRTMIN+3"
+}