diff --git a/4_repositories/README.md b/4_repositories/README.md
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index 0000000..8e20b72
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+++ b/4_repositories/README.md
@@ -0,0 +1,10 @@
+# Repositories
+
+## Packages
+
+### pkg-a
+
+Versions:
+- **v0.1.0** Works with OpenShift 4.11.x
+- **v0.2.0** Works with OpenShift 4.12 - 4.14 (But not 4.13.5 - known regression)
+- **v0.3.0** Works with OpenShift 4.15.x
\ No newline at end of file
diff --git a/4_repositories/build.sh b/4_repositories/build.sh
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+++ b/4_repositories/build.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+set -euo pipefail
+
+# build package images
+PKG_A_REPO="quay.io/nschiede/pkg-a"
+kubectl package build ./pkgs/pkg-a/v0.1.0 --tag="${PKG_A_REPO}:v0.1.0" --push
+kubectl package build ./pkgs/pkg-a/v0.2.0 --tag="${PKG_A_REPO}:v0.2.0" --push
+kubectl package build ./pkgs/pkg-a/v0.3.0 --tag="${PKG_A_REPO}:v0.3.0" --push
+
+rm repo.yaml
+kubectl package repo initialize repo.yaml my-repo
+kubectl package repo add repo.yaml "${PKG_A_REPO}:v0.1.0" 0.1.0
+kubectl package repo add repo.yaml "${PKG_A_REPO}:v0.2.0" 0.2.0
+kubectl package repo add repo.yaml "${PKG_A_REPO}:v0.3.0" 0.3.0
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diff --git a/4_repositories/pkgs/pkg-a/v0.1.0/manifest.yaml b/4_repositories/pkgs/pkg-a/v0.1.0/manifest.yaml
new file mode 100644
index 0000000..bb7f1af
--- /dev/null
+++ b/4_repositories/pkgs/pkg-a/v0.1.0/manifest.yaml
@@ -0,0 +1,18 @@
+apiVersion: manifests.package-operator.run/v1alpha1
+kind: PackageManifest
+metadata:
+  name: pkg-a
+  annotations:
+    version: v0.1.0
+spec:
+  scopes:
+  - Cluster
+  - Namespaced
+  phases:
+  - name: deploy
+  constraints:
+  - platform:
+    - OpenShift
+  - platformVersion:
+      name: OpenShift
+      range: '~4.11.x'
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diff --git a/4_repositories/pkgs/pkg-a/v0.2.0/manifest.yaml b/4_repositories/pkgs/pkg-a/v0.2.0/manifest.yaml
new file mode 100644
index 0000000..57b132a
--- /dev/null
+++ b/4_repositories/pkgs/pkg-a/v0.2.0/manifest.yaml
@@ -0,0 +1,18 @@
+apiVersion: manifests.package-operator.run/v1alpha1
+kind: PackageManifest
+metadata:
+  name: pkg-a
+  annotations:
+    version: v0.2.0
+spec:
+  scopes:
+  - Cluster
+  - Namespaced
+  phases:
+  - name: deploy
+  constraints:
+  - platform:
+    - OpenShift
+  - platformVersion:
+      name: OpenShift
+      range: 4.12.x - 4.14.x && != 4.13.5
\ No newline at end of file
diff --git a/4_repositories/pkgs/pkg-a/v0.3.0/manifest.yaml b/4_repositories/pkgs/pkg-a/v0.3.0/manifest.yaml
new file mode 100644
index 0000000..e2e1169
--- /dev/null
+++ b/4_repositories/pkgs/pkg-a/v0.3.0/manifest.yaml
@@ -0,0 +1,18 @@
+apiVersion: manifests.package-operator.run/v1alpha1
+kind: PackageManifest
+metadata:
+  name: pkg-a
+  annotations:
+    version: v0.3.0
+spec:
+  scopes:
+  - Cluster
+  - Namespaced
+  phases:
+  - name: deploy
+  constraints:
+  - platform:
+    - OpenShift
+  - platformVersion:
+      name: OpenShift
+      range: '~4.15.x'
\ No newline at end of file
diff --git a/4_repositories/repo.yaml b/4_repositories/repo.yaml
new file mode 100644
index 0000000..c78a47b
--- /dev/null
+++ b/4_repositories/repo.yaml
@@ -0,0 +1,57 @@
+---
+apiVersion: manifests.package-operator.run/v1alpha1
+kind: Repository
+metadata:
+  creationTimestamp: "2026-05-15T07:31:17Z"
+  name: my-repo
+---
+apiVersion: manifests.package-operator.run/v1alpha1
+data:
+  constraints:
+  - platform:
+    - OpenShift
+  - platformVersion:
+      name: OpenShift
+      range: ~4.11.x
+  digest: ab985be7292e13b696eaabbd02606a0af810cc9c5ae8e74be7c88865c949d720
+  image: quay.io/nschiede/pkg-a
+  name: pkg-a
+  versions:
+  - v0.1.0
+kind: RepositoryEntry
+metadata:
+  name: pkg-a.ab985be7292e13b696eaabbd02606a0af810cc9c5ae8e74be7c88865c949d720
+---
+apiVersion: manifests.package-operator.run/v1alpha1
+data:
+  constraints:
+  - platform:
+    - OpenShift
+  - platformVersion:
+      name: OpenShift
+      range: 4.12.x - 4.14.x && != 4.13.5
+  digest: 037ff25265533a1f314e20ba8f4825836a9712443c04a6cdf4f741c09163f861
+  image: quay.io/nschiede/pkg-a
+  name: pkg-a
+  versions:
+  - v0.2.0
+kind: RepositoryEntry
+metadata:
+  name: pkg-a.037ff25265533a1f314e20ba8f4825836a9712443c04a6cdf4f741c09163f861
+---
+apiVersion: manifests.package-operator.run/v1alpha1
+data:
+  constraints:
+  - platform:
+    - OpenShift
+  - platformVersion:
+      name: OpenShift
+      range: ~4.15.x
+  digest: f1a73f5657459822bd819ba91f15431d425f4bacd0f77946246ad25e22274a55
+  image: quay.io/nschiede/pkg-a
+  name: pkg-a
+  versions:
+  - v0.3.0
+kind: RepositoryEntry
+metadata:
+  name: pkg-a.f1a73f5657459822bd819ba91f15431d425f4bacd0f77946246ad25e22274a55
diff --git a/4_repositories/root/manifest.lock.yaml b/4_repositories/root/manifest.lock.yaml
new file mode 100644
index 0000000..57d77f8
--- /dev/null
+++ b/4_repositories/root/manifest.lock.yaml
@@ -0,0 +1,11 @@
+apiVersion: manifests.package-operator.run/v1alpha1
+kind: PackageManifestLock
+metadata:
+  creationTimestamp: "2026-05-15T07:40:14Z"
+spec:
+  dependencies:
+  - digest: 037ff25265533a1f314e20ba8f4825836a9712443c04a6cdf4f741c09163f861
+    image: quay.io/nschiede/pkg-a
+    name: pkg-a
+    version: 0.2.0
+  images: []
diff --git a/4_repositories/root/manifest.yaml b/4_repositories/root/manifest.yaml
new file mode 100644
index 0000000..ef70810
--- /dev/null
+++ b/4_repositories/root/manifest.yaml
@@ -0,0 +1,32 @@
+apiVersion: manifests.package-operator.run/v1alpha1
+kind: PackageManifest
+metadata:
+  name: root
+spec:
+  scopes:
+  - Cluster
+  - Namespaced
+  phases:
+  - name: deploy
+  constraints:
+  - platform:
+    - OpenShift
+  - platformVersion:
+      name: OpenShift
+      # range: '>=4.12,<4.13'
+      # range: '=4.13.3'
+      # range: '=4.13.5' # no package supports this version
+      range: '4.13.0 - 4.13.4'
+      # range: '~4.11' # 4.11.0 - 4.11.x
+      # range: '~4.12' # 4.12.0 - 4.12.x
+  dependencies:
+  - image:
+      name: pkg-a
+      package: pkg-a.my-repo
+      # range: '0-1'
+  repositories:
+  - file: repo.yaml
+  # repository contains
+  # - pkg-a@0.1.0 [OpenShift ~4.11]
+  # - pkg-a@0.2.0 [OpenShift 4.12.x - 4.14.x && != 4.13.5]
+  # - pkg-a@0.3.0 [OpenShift ~4.15]
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