diff --git a/.github/workflows/dev-test.yml b/.github/workflows/dev-test.yml
index 4f2b9ca3..3f255be1 100644
--- a/.github/workflows/dev-test.yml
+++ b/.github/workflows/dev-test.yml
@@ -60,9 +60,9 @@ jobs:
           ruby-version: "2.7.2"
 
       - name: Setup Node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
-          node-version: "18.12"
+          node-version: "20"
 
       - name: Install system requirements
         run: |
diff --git a/apps/iiif/annotations/models.py b/apps/iiif/annotations/models.py
index 367a6deb..52ef7ee0 100644
--- a/apps/iiif/annotations/models.py
+++ b/apps/iiif/annotations/models.py
@@ -90,7 +90,7 @@ def save(self, *args, **kwargs):
         # if not self.content or self.content.isspace():
             # raise ValidationError('Content cannot be empty')
             # self.content = '  '
-        super(Annotation, self).save(*args, **kwargs)
+        super().save(*args, **kwargs)
 
     class Meta: # pylint: disable=too-few-public-methods, missing-class-docstring
         ordering = ['order']
diff --git a/apps/iiif/canvases/tests/test_model.py b/apps/iiif/canvases/tests/test_model.py
index c241efef..c84b887a 100644
--- a/apps/iiif/canvases/tests/test_model.py
+++ b/apps/iiif/canvases/tests/test_model.py
@@ -120,3 +120,9 @@ def test_setting_height_and_width(self):
         canvas.save()
         assert canvas.height == 3000
         assert canvas.width == 3000
+
+    def test_setting_resource(self):
+        canvas = CanvasNoDimensionsFactory.build(manifest=ManifestFactory.create())
+        assert canvas.resource is None
+        canvas.before_save()
+        assert canvas.resource == canvas.pid
\ No newline at end of file
diff --git a/apps/iiif/manifests/admin.py b/apps/iiif/manifests/admin.py
index d0ec3aef..98e544cc 100644
--- a/apps/iiif/manifests/admin.py
+++ b/apps/iiif/manifests/admin.py
@@ -9,6 +9,7 @@
 from import_export.widgets import ManyToManyWidget, ForeignKeyWidget
 from django_summernote.admin import SummernoteModelAdmin
 from .models import Manifest, Note, ImageServer, RelatedLink
+from .documents import ManifestDocument
 from .forms import ManifestAdminForm
 from .views import AddToCollectionsView, MetadataImportView
 from ..kollections.models import Collection
@@ -84,6 +85,12 @@ def get_urls(self):
         ]
         return my_urls + urls
 
+    def save_model(self, request, obj, form, change):
+        # Add/update Volume in the Elasticsearch index.
+        index = ManifestDocument()
+        index.update(obj, True, 'index')
+        super().save_model(request, obj, form, change)
+
 class NoteAdmin(admin.ModelAdmin):
     """Django admin configuration for a note."""
     class Meta: # pylint: disable=too-few-public-methods, missing-class-docstring
diff --git a/apps/iiif/manifests/models.py b/apps/iiif/manifests/models.py
index 2123ce8b..33aa37bd 100644
--- a/apps/iiif/manifests/models.py
+++ b/apps/iiif/manifests/models.py
@@ -367,8 +367,14 @@ def delete(self, *args, **kwargs):
         for canvas in self.canvas_set.all():
             canvas.delete()
 
+        # Delete from Elasticsearch index
+        from .documents import ManifestDocument
+        index = ManifestDocument()
+        index.update(self, True, 'delete')
+
         super().delete(*args, **kwargs)
 
+
     def __rename_s3_objects(self):
         original_pid = self.get_dirty_fields()['pid']
         keys = [f.key for f in self.image_server.bucket.objects.filter(Prefix=f'{original_pid}/')]
diff --git a/apps/readux/models.py b/apps/readux/models.py
index 90560fab..4e503e7f 100644
--- a/apps/readux/models.py
+++ b/apps/readux/models.py
@@ -8,7 +8,7 @@
 from django.dispatch import receiver
 from apps.iiif.annotations.models import AbstractAnnotation, Annotation
 from apps.iiif.canvases.models import Canvas
-
+from apps.iiif.manifests.documents import ManifestDocument
 class TaggedUserAnnotations(TaggedItemBase):
     """Model for tagging :class:`UserAnnotation`s using Django Taggit."""
     content_object = models.ForeignKey('UserAnnotation', on_delete=models.CASCADE)
@@ -60,6 +60,18 @@ def tag_list(self):
         else:
             return []
 
+    def save(self, *args, **kwargs):
+        if self.canvas:
+            index = ManifestDocument()
+            index.update(self.canvas.manifest, True, 'index')
+        super().save(*args, **kwargs)
+
+    def delete(self, *args, **kwargs):
+        if self.canvas:
+            index = ManifestDocument()
+            index.update(self.canvas.manifest, True, 'delete')
+        super().delete(*args, **kwargs)
+
     def update(self, attrs=None, tags=None):
         """Method to update an annotation object with a dict of attributes and a list of tags