diff --git a/.github/workflows/.build.yml b/.github/workflows/.build.yml
index ab9c842e..e140f03d 100644
--- a/.github/workflows/.build.yml
+++ b/.github/workflows/.build.yml
@@ -374,10 +374,10 @@ jobs:
           rm -rf /tmp/release-squashed
       -
         name: Prepare release
+        env:
+          BUILD_METADATA: ${{ steps.build.outputs.metadata }}
         run: |
-          cat > "/tmp/release-metadata.json" <<-EOF
-          ${{ steps.build.outputs.metadata }}
-          EOF
+          printf '%s\n' "$BUILD_METADATA" > /tmp/release-metadata.json
           
           for tag in $(jq -r '.tags[]' <<< "$DOCKER_METADATA_OUTPUT_JSON"); do
             echo "* \`${tag}\`" >> /tmp/tags.txt