diff --git a/.github/workflows/pkgdown.yaml b/.github/workflows/pkgdown.yaml
index 3adc103..64d04a0 100644
--- a/.github/workflows/pkgdown.yaml
+++ b/.github/workflows/pkgdown.yaml
@@ -14,7 +14,7 @@ name: pkgdown
 jobs:
   pkgdown:
     runs-on: ubuntu-latest
-    container: bioconductor/bioconductor_docker
+    container: bioconductor/bioconductor_docker:RELEASE_3_19
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}