diff --git a/.github/workflows/check-bioc.yml b/.github/workflows/check-bioc.yml
index 20bcf0c..58866f9 100644
--- a/.github/workflows/check-bioc.yml
+++ b/.github/workflows/check-bioc.yml
@@ -52,8 +52,8 @@ jobs:
       matrix:
         config:
           - { os: ubuntu-latest, r: '4.4', bioc: 'devel', cont: "bioconductor/bioconductor_docker:devel", rspm: "https://packagemanager.rstudio.com/cran/__linux__/jammy/latest" }
-          - { os: macOS-latest, r: '4.4', bioc: '3.18'}
-          - { os: windows-latest, r: '4.4', bioc: '3.18'}
+          - { os: macOS-latest, r: '4.3', bioc: '3.18'}
+          - { os: windows-latest, r: '4.3', bioc: '3.18'}
     env:
       R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
       RSPM: ${{ matrix.config.rspm }}