diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index e9eb660..98a3583 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -53,7 +53,13 @@ jobs:
         run: tox -e unit
 
   integration-test:
-    name: Integration tests (LXD)
+    strategy:
+      fail-fast: true
+      matrix:
+        bases:
+          - ubuntu@20.04
+          - ubuntu@22.04
+    name: Integration tests (LXD) | ${{ matrix.bases }}
     runs-on: ubuntu-latest
     needs:
       - inclusive-naming-check
@@ -68,4 +74,4 @@ jobs:
           provider: lxd
           juju-channel: 3.1/stable
       - name: Run tests
-        run: tox -e integration
+        run: tox run -e integration -- --charm-base=${{ matrix.bases }}