diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index dd2fb95e..0979f5c5 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -28,16 +28,13 @@ jobs:
 
     name: ${{ matrix.config.os }} (R-${{ matrix.config.r }})
 
-
     strategy:
       fail-fast: false
       matrix:
         config:
           - {os: macos-latest,   r: 'release'}
           - {os: windows-latest, r: 'release'}
-          # - {os: ubuntu-latest,   r: 'devel', http-user-agent: 'release'}
-          - {os: ubuntu-latest,   r: 'release'}
-          # - {os: ubuntu-latest,   r: 'oldrel-1'}
+          - {os: ubuntu-latest,  r: 'release'}
 
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
@@ -51,14 +48,19 @@ jobs:
       - uses: r-lib/actions/setup-r@v2
         with:
           r-version: ${{ matrix.config.r }}
-          http-user-agent: ${{ matrix.config.http-user-agent }}
           use-public-rspm: true
           extra-repositories: "https://mokymai.github.io/download/"
 
+      - name: Info
+        run: |
+          getOption("repos")
+        shell: Rscript {0}
 
       - uses: r-lib/actions/setup-r-dependencies@v2
         with:
-          extra-packages: any::rcmdcheck
+          cache-version: 2
+          extra-packages: |
+            any::rcmdcheck
           needs: check
 
       - uses: r-lib/actions/check-r-package@v2