diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 28638f283c..99dd533544 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -16,12 +16,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - name: "CentOS Stream 9"
-            image: "quay.io/centos/centos:stream9"
-            pytest_args: ''
           - name: "CentOS Stream 8"
             image: "quay.io/centos/centos:stream8"
-            pytest_args: ''
 
     runs-on: ubuntu-latest
     container:
@@ -33,6 +29,10 @@ jobs:
       - name: "Checkout repository"
         uses: actions/checkout@v3
 
+      - name: "Use CentOS Vault"
+        run: |
+          sed -i 's|#baseurl=http://mirror|baseurl=http://vault|' /etc/yum.repos.d/CentOS-Stream-*.repo
+
       - name: "Run container-pre-test.sh"
         run: |
           bash scripts/container-pre-test.sh
@@ -46,15 +46,14 @@ jobs:
             --cov-report 'xml:/tmp/coverage.xml' --junitxml '/tmp/pytest.xml'"
         run: |
           dbus-run-session \
-            python3 -m pytest ${{ matrix.pytest_args }}
+            python3 -m pytest
 
       - name: "Publish coverage"
         uses: MishaKav/pytest-coverage-comment@main
         if: |
           github.event.pull_request.head.repo.full_name == github.repository
-          && matrix.name == 'CentOS Stream 9'
         with:
-          title: "Coverage (computed on ${{ matrix.name }})"
+          title: "Coverage"
           report-only-changed-files: true
           pytest-xml-coverage-path: /tmp/coverage.xml
           junitxml-path: /tmp/pytest.xml
diff --git a/scripts/container-pre-test.sh b/scripts/container-pre-test.sh
index e410076224..4c52e6d277 100644
--- a/scripts/container-pre-test.sh
+++ b/scripts/container-pre-test.sh
@@ -11,9 +11,6 @@ source /etc/os-release
 if [[ $ID == "centos" && $VERSION == "8" ]]; then
     dnf config-manager --enable powertools
 fi
-if [[ $ID == "centos" && $VERSION == "9" ]]; then
-    dnf config-manager --enable crb
-fi
 
 # Install system, build and runtime packages
 dnf --setopt install_weak_deps=False install -y \