diff --git a/.github/workflows/buildx-releases-json.yml b/.github/workflows/buildx-releases-json.yml
index d449353..ef3a905 100644
--- a/.github/workflows/buildx-releases-json.yml
+++ b/.github/workflows/buildx-releases-json.yml
@@ -47,7 +47,7 @@ jobs:
         name: Create PR
         uses: peter-evans/create-pull-request@2b011faafdcbc9ceb11414d64d0573f37c774b04
         with:
-          base: master
+          base: main
           branch: bot/buildx-releases-json
           commit-message: "github: update .github/buildx-releases.json"
           signoff: true