diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index fba9992525..11e79ff346 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -23,6 +23,8 @@ jobs:
       GITHUB_ACTOR: ${{ secrets.ATALA_GITHUB_ACTOR }}
       GITHUB_TOKEN: ${{ secrets.ATALA_GITHUB_TOKEN }}
       SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
+      # New JDK version makes 'localhost' lookup on linux return ipv6.
+      # Our test containers are on ipv4. We need to make 'localhost' resolve to ipv4.
       _JAVA_OPTIONS: -Djava.net.preferIPv4Stack=true
     runs-on: ubuntu-latest
     steps: