diff --git a/.github/workflows/check-bioc.yml b/.github/workflows/check-bioc.yml
index 191d692..ee647d1 100644
--- a/.github/workflows/check-bioc.yml
+++ b/.github/workflows/check-bioc.yml
@@ -66,7 +66,7 @@ jobs:
       TZ: UTC
       GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
-      UPGRADE_PKGS: ${{ matrix.config.bioc == '3.18' }}
+      UPGRADE_PKGS: ${{ matrix.config.bioc >= '3.18' }}
 
     steps:
 
@@ -205,7 +205,7 @@ jobs:
           remotes::install_local(dependencies = TRUE, repos = BiocManager::repositories(), build_vignettes = TRUE, upgrade = TRUE, force = TRUE)
         shell: Rscript {0}
 
-      - name: install Matrix 1.6.1.1 for BiocVersion = 3.18
+      - name: install Matrix 1.6.1.1 for BiocVersion >= 3.18
         if: ${{ matrix.config.bioc }} == "3.18" && ${{ env.UPGRADE_PKGS }}
         run: |
           Sys.getenv("UPGRADE_PKGS")