diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 972cb960..0446cfe3 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -24,6 +24,9 @@ jobs:
       fail-fast: false
       matrix:
         config:
+          - {os: windows-latest, r: 'release'}
+          - {os: macOS-latest, r: 'release'}
+          - {os: ubuntu-20.04, r: 'release', rspm: "https://packagemanager.rstudio.com/cran/__linux__/focal/latest"}
           - {os: macOS-latest, r: '4.2'}
           - {os: ubuntu-20.04, r: '4.2', rspm: "https://packagemanager.rstudio.com/cran/__linux__/focal/latest"}
           - {os: windows-latest, r: '4.2'}