diff --git a/.github/workflows/ci-weekly.yaml b/.github/workflows/ci-weekly.yaml
index 83e7c5e..97e6187 100644
--- a/.github/workflows/ci-weekly.yaml
+++ b/.github/workflows/ci-weekly.yaml
@@ -1,5 +1,7 @@
 name: R-CMD-check-Weekly
 
+permissions: read-all
+
 on:
   # every Monday at 4:30 AM
     schedule:
@@ -20,8 +22,11 @@ jobs:
         config:
           - {os: macOS-latest,  r: 'oldrel-1'}
           - {os: macOS-latest,  r: 'release'}
-          - {os: windows-2022,  r: 'oldrel-1'}
-          - {os: windows-2022,  r: 'release'}
+          - {os: windows-latest, r: 'release'}
+          # use 4.1 to check with rtools40's older compiler
+          - {os: windows-latest, r: '4.1'}
+          - {os: ubuntu-latest,  r: 'oldrel-3'}
+          - {os: ubuntu-latest,  r: 'oldrel-2'}
           - {os: ubuntu-latest, r: 'oldrel-1'}
           - {os: ubuntu-latest, r: 'release'}
           - {os: ubuntu-latest, r: 'devel', http-user-agent: 'release'}
@@ -32,7 +37,7 @@ jobs:
       R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - uses: r-lib/actions/setup-pandoc@v2
 
@@ -57,4 +62,4 @@ jobs:
         uses: actions/upload-artifact@v2
         with:
           name: ${{ runner.os }}-r${{ matrix.config.r }}-results
-          path: check
\ No newline at end of file
+          path: check