diff --git a/.github/workflows/release_unstable.yml b/.github/workflows/release_unstable.yml
index 9624987..0fc61a6 100644
--- a/.github/workflows/release_unstable.yml
+++ b/.github/workflows/release_unstable.yml
@@ -39,3 +39,4 @@ jobs:
           push: true
           tags: ${{ env.IMAGE_NAME }}
           build-args: CANAL=${{ env.DOTCLEAR_CANAL }}
+          platforms: linux/386,linux/amd64,linux/arm/V6