diff --git a/.github/workflows/validate-and-process.yml b/.github/workflows/validate-and-process.yml
index 0d528a6..26d3bbc 100644
--- a/.github/workflows/validate-and-process.yml
+++ b/.github/workflows/validate-and-process.yml
@@ -65,6 +65,13 @@ on:
         type: string
         description: Path where to deploy the viewer
         default: '.'
+    secrets:
+      sparql_username:
+        description: SPARQL Graph Store Protocol user name for push authentication
+        required: false
+      sparql_password:
+        description: SPARQL Graph Store Protocol password for push authentication
+        required: false
 
 
 permissions:
diff --git a/full/action.yml b/full/action.yml
index 7ea2db2..7968537 100644
--- a/full/action.yml
+++ b/full/action.yml
@@ -41,6 +41,12 @@ inputs:
   viewer_path:
     description: Path where to deploy the viewer
     default: '.'
+  sparql_username:
+    description: SPARQL GSP push user name
+    default: ''
+  sparql_password:
+    description: SPARQL GSP push password
+    default: ''
 
 runs:
   using: composite
@@ -60,6 +66,8 @@ runs:
         github_base_url: ${{ inputs.github_base_url }}
         deploy_viewer: ${{ inputs.deploy_viewer }}
         viewer_path: ${{ inputs.viewer_path }}
+        sparql_username: ${{ inputs.SPARQL_USERNAME }}
+        sparql_password: ${{ inputs.SPARQL_PASSWORD }}
     - name: Generate Slate documentation
       continue-on-error: true
       run: |
diff --git a/ogc/bblocks/entrypoint.py b/ogc/bblocks/entrypoint.py
index 8f64d57..09e147b 100644
--- a/ogc/bblocks/entrypoint.py
+++ b/ogc/bblocks/entrypoint.py
@@ -182,7 +182,7 @@
         if register_name:
             register_additional_metadata['name'] = register_name
 
-        sparql_conf = bb_config.get('sparql')
+        sparql_conf = bb_config.get('sparql', {})
 
     base_url = args.base_url
     github_base_url = args.github_base_url
@@ -249,11 +249,13 @@
     # 4. Push to triplestore
     sparql_gsp = sparql_conf.get('push')
     if sparql_gsp:
-        print(f"Pushing {register_ttl_fn} to SPARQL GSP at {sparql_gsp}", file=sys.stderr)
+        print(os.environ.items())
         if os.environ.get('SPARQL_USERNAME'):
             auth = (os.environ['SPARQL_USERNAME'], os.environ.get('SPARQL_PASSWORD'))
+            print(f"Pushing {register_ttl_fn} to SPARQL GSP at {sparql_gsp} (user {auth[0]})", file=sys.stderr)
         else:
             auth = None
+            print(f"Pushing {register_ttl_fn} to SPARQL GSP at {sparql_gsp}", file=sys.stderr)
         sparql_graph = sparql_conf.get('graph') or base_url
         update_vocabs.load_vocab(register_ttl_fn,
                                  graph_store=sparql_gsp,
diff --git a/postprocess/action.yml b/postprocess/action.yml
index 03a576a..d4fd27a 100644
--- a/postprocess/action.yml
+++ b/postprocess/action.yml
@@ -41,10 +41,19 @@ inputs:
   viewer_path:
     description: Path where to deploy the viewer
     default: '.'
+  sparql_username:
+    description: SPARQL GSP push user name
+    default: ''
+  sparql_password:
+    description: SPARQL GSP push password
+    default: ''
 
 runs:
   using: docker
   image: docker://ghcr.io/opengeospatial/bblocks-postprocess
+  env:
+    SPARQL_USERNAME: ${{ inputs.sparql_username }}
+    SPARQL_PASSWORD: ${{ inputs.sparql_password }}
   args:
     - '--register-file'
     - ${{ inputs.register_file }}