diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7377af3..e7bb665 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,4 +5,4 @@ jobs:
     uses: cygporter/workflows/.github/workflows/build-test.yml@v1
     with:
       cygport_file: python-rfc6555.cygport
-      bootstrap_packages: cygport python3
+      bootstrap_packages: cygport python38 python39