diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index b666148..ec76c73 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -3,14 +3,42 @@ name: tests
 on: [push, pull_request]
 
 jobs:
+  tox27:
+    runs-on: ubuntu-latest
+    container:
+      image: registry.access.redhat.com/rhel7:latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install Yum repos
+        run: |
+          cat <<EOF > /etc/yum.repos.d/centos.repo
+          [base]
+          name=CentOS-$releasever - Base
+          mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os
+          #baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/
+          gpgcheck=1
+          gpgkey=https://vault.centos.org/RPM-GPG-KEY-CentOS-7
+
+          [updates]
+          name=CentOS-$releasever - Updates
+          mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates
+          #baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/
+          gpgcheck=1
+          gpgkey=https://vault.centos.org/RPM-GPG-KEY-CentOS-7
+          EOF
+      - name: Install dependencies
+        run: |
+          yum -y install krb5-devel python2-devel python2-pip
+          pip install tox
+      - name: Test with tox
+        run: |
+          tox -e py27 -- errata_tool/tests
   tox:
     runs-on: ${{ matrix.os }}
     strategy:
       max-parallel: 5
       matrix:
         include:
-          - python-version: 2.7
-            os: ubuntu-20.04
           - python-version: 3.6
             os: ubuntu-20.04
           - python-version: 3.9