diff --git a/.zuul.yaml b/.zuul.yaml
index ddd3bf5..7c7f530 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -1,17 +1,17 @@
- - project:
-     check:
-       jobs:
-         - validate
+- project:
+    check:
+      jobs:
+        - validate
 
- - job:
-     name: validate
-     description: Validate manifests, scripts, dependencies and compose the base image
-     # Increased timeout as builds can take a while
-     timeout: 3600
-     run: ci/validate.yaml
-     nodeset:
-       nodes:
-         - name: vm
-           # Replace by a fixed version label after branching, once available:
-           # https://fedora.softwarefactory-project.io/zuul/labels
-           label: cloud-fedora-rawhide-medium
+- job:
+    name: validate
+    description: Validate manifests, scripts, dependencies and compose the base image
+    # Increased timeout as builds can take a while
+    timeout: 3600
+    run: ci/validate.yaml
+    nodeset:
+      nodes:
+        - name: vm
+          # Replace by a fixed version label after branching, once available:
+          # https://fedora.softwarefactory-project.io/zuul/labels
+          label: cloud-fedora-rawhide-medium
diff --git a/ci/validate.yaml b/ci/validate.yaml
index 928cbc2..691695a 100644
--- a/ci/validate.yaml
+++ b/ci/validate.yaml
@@ -1,25 +1,25 @@
- - hosts: all
-   tasks:
-     - name: Install dependencies
-       package:
-         name:
-           - 'jq'
-           - 'just'
-           - 'ostree'
-           - 'python3-pyyaml'
-           - 'rpm-ostree'
-           - 'selinux-policy-targeted'
-         state: present
-       become: yes
-     - name: Validate manifests and scripts syntax
-       ansible.builtin.command:
-         chdir: "{{ zuul.project.src_dir }}"
-         cmd: just validate
-     - name: Perform dependency resolution for all variants
-       ansible.builtin.command:
-         chdir: "{{ zuul.project.src_dir }}"
-         cmd: just compose-dry-run
-     - name: Compose the base variant
-       ansible.builtin.command:
-         chdir: "{{ zuul.project.src_dir }}"
-         cmd: just compose-legacy base
+- hosts: all
+  tasks:
+    - name: Install dependencies
+      package:
+        name:
+          - 'jq'
+          - 'just'
+          - 'ostree'
+          - 'python3-pyyaml'
+          - 'rpm-ostree'
+          - 'selinux-policy-targeted'
+        state: present
+      become: yes
+    - name: Validate manifests and scripts syntax
+      ansible.builtin.command:
+        chdir: "{{ zuul.project.src_dir }}"
+        cmd: just validate
+    - name: Perform dependency resolution for all variants
+      ansible.builtin.command:
+        chdir: "{{ zuul.project.src_dir }}"
+        cmd: just compose-dry-run
+    - name: Compose the base variant
+      ansible.builtin.command:
+        chdir: "{{ zuul.project.src_dir }}"
+        cmd: just compose-legacy base