diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 7457b4e..0b0a5e9 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -25,6 +25,7 @@ jobs:
       matrix:
         gap-branch:
           - master
+          - stable-4.13
           - stable-4.12
           - stable-4.11
           - stable-4.10
@@ -36,6 +37,9 @@ jobs:
           GAPBRANCH: ${{ matrix.gap-branch }}
       - uses: gap-actions/build-pkg@v1
       - uses: gap-actions/run-pkg-tests@v2
+      - uses: gap-actions/run-pkg-tests@v2
+        with:
+          only-needed: true
       - uses: gap-actions/process-coverage@v2
       - uses: codecov/codecov-action@v3
 
@@ -51,7 +55,7 @@ jobs:
         with:
           use-latex: 'true'
       - name: 'Upload documentation'
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: manual
           path: ./doc/manual.pdf