diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f278504f..30976561 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -59,9 +59,7 @@ jobs:
 
             - name: Build and upload to ghcr.io 📤
               id: build-upload
-              # We need to pin exact version here, since updates can break
-              # the extract-image-names.sh script
-              uses: docker/bake-action@v6.9.0
+              uses: docker/bake-action@v6.10.0
               with:
                   push: true
                   # Using provenance to disable default attestation so it will build only desired images:
@@ -77,6 +75,14 @@ jobs:
                       build.json
                       .github/workflows/env.hcl
 
+            # The metadata output is huge so we need to first write it to file
+            # https://github.com/aiidalab/aiidalab-docker-stack/issues/493
+            - name: Write metadata output to a json file
+              run: |
+                  cat << EOF > bake_metadata.json
+                  ${{ steps.build-upload.outputs.metadata }}
+                  EOF
+
             - name: Set output variables
               id: set-output
               uses: actions/github-script@v8
@@ -91,7 +97,8 @@ jobs:
                   #   "LAB_IMAGE":"ghcr.io/aiidalab/lab@sha256:e8c7b3a662660ad20fef7...",
                   # }
                   script: |
-                      const bake_output = JSON.parse(process.env.BAKE_METADATA, 'utf-8');
+                      const fs = require('fs');
+                      const bake_output = JSON.parse(fs.readFileSync('bake_metadata.json', 'utf8'));
                       images = {};
                       for (const key in bake_output) {
                           const image = bake_output[key];
@@ -104,5 +111,3 @@ jobs:
                       }
                       console.log(images);
                       return images;
-              env:
-                  BAKE_METADATA: ${{ steps.build-upload.outputs.metadata }}