diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 9fc2e07..513e2dc 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -15,12 +15,16 @@ jobs:
       fail-fast: false
       matrix:
         gap-version:
-          - master
+          - 'devel'
+          - '4.16'
+          - '4.15'
           - '4.14'
           - '4.13'
           - '4.12'
           - '4.11'
           - '4.10'
+          # - '4.9'
+          # Example package requires GAP >= 4.10
 
     steps:
       # the order of the checkout actions is important because all contents of
diff --git a/README.md b/README.md
index a66778f..0b96fb0 100644
--- a/README.md
+++ b/README.md
@@ -40,17 +40,17 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: gap-actions/setup-gap@v3
-      - uses: gap-actions/build-pkg@v2
+      - uses: gap-actions/build-pkg@v3
       - uses: gap-actions/run-pkg-tests@v4
       - uses: gap-actions/process-coverage@v3
-      - uses: codecov/codecov-action@v5
+      - uses: codecov/codecov-action@v7
 ```
 
 The recommended configuration for `codecov/codecov-action` is as follows:
 ```yaml
-      - uses: codecov/codecov-action@v5
+      - uses: codecov/codecov-action@v7
         with:
           fail_ci_if_error: true
           token: ${{ secrets.CODECOV_TOKEN }}