diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index aef4b28..4d3402b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,6 +31,7 @@ jobs:
       - name: Install the dependencies
         id: composer-install
         run: composer require contao/core-bundle:${{ matrix.contao }} --no-interaction
+        continue-on-error: ${{ contao == 4.13.* }}
 
       - name: Run the unit tests
         if: steps.composer-install.conclusion == 'success' && steps.composer-install.outcome == 'success'