diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 5a0b940..08d5be4 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -18,11 +18,8 @@ jobs:
       fail-fast: false
       matrix:
         config:
-          - {os: macos-14,   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: macos-14, r: 'release'}
+          - {os: macos-15, r: 'release'}
 
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
diff --git a/R/versions.R b/R/versions.R
index 391273e..f8399e6 100644
--- a/R/versions.R
+++ b/R/versions.R
@@ -95,6 +95,7 @@ atime_versions_install <- function(Package, pkg.path, new.Package.vec, sha.vec,
           shQuote(new.pkg.path))
         status.int <- system(INSTALL.cmd)
         if(status.int != 0){
+          system(INSTALL.cmd)
           stop(INSTALL.cmd, " returned error status code ", status.int)
         }
         if(verbose){