diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0b4c1b3..d524eee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Wagtail Footnotes Changelog
 
+## 0.8.0
+
+ - Add support for Wagtail 3.0 and drop support for all Wagtail versions
+   before 2.15
+ - Dropped support for all Django versions
+   before 3.2
+ - Removed support for Python 3.6
+ - Fix previews https://github.com/torchbox/wagtail-footnotes/pull/24 - [@jsma](https://github.com/jsma)
+
 ## 0.7.0
 
 - Clean up old step from README - It is no longer recommended to define footnotes in `WAGTAILADMIN_RICH_TEXT_EDITORS`
diff --git a/setup.cfg b/setup.cfg
index 23c6cef..8c96201 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -2,8 +2,8 @@
 name = wagtail-footnotes
 author = Cameron Lamb
 author_email = cameron.lamb@torchbox.com
-description = Add footnotes to rich text in your wagtail pages
-version = 0.7.0
+description = Add footnotes to rich text in your Wagtail pages
+version = 0.8.1
 url = https://github.com/torchbox/wagtail-footnotes
 keywords =
   wagtail
@@ -14,12 +14,11 @@ license_files =
   LICENSE.txt
 
 [options]
-python_requires = >= 3.6
+python_requires = >= 3.7
 setup_requires =
   setuptools >= 40.6
   pip >= 10
 include_package_data = true
 packages = find:
 install_requires =
-    Django>=2.2, <3.3
-    wagtail>=2.5, <3
+    wagtail>=2.15, <4.0
diff --git a/setup.py b/setup.py
index 6068493..5b51a7a 100644
--- a/setup.py
+++ b/setup.py
@@ -1,3 +1,4 @@
 from setuptools import setup
 
-setup()
+# Redefine `name` here so GitHub’s "Used By" can detect the package.
+setup(name="wagtail-footnotes")
diff --git a/wagtail_footnotes/blocks.py b/wagtail_footnotes/blocks.py
index a6c339a..8dd1aeb 100644
--- a/wagtail_footnotes/blocks.py
+++ b/wagtail_footnotes/blocks.py
@@ -3,8 +3,18 @@
 
 from django.core.exceptions import ValidationError
 from django.utils.safestring import mark_safe
-from wagtail.core.blocks import RichTextBlock
-from wagtail.core.models import Page
+
+try:
+    from wagtail.blocks import RichTextBlock
+except ImportError:
+    # Wagtail<3.0
+    from wagtail.core.blocks import RichTextBlock
+
+try:
+    from wagtail.models import Page
+except ImportError:
+    from wagtail.core.models import Page
+
 
 FIND_FOOTNOTE_TAG = re.compile(r'<footnote id="(.*?)">.*?</footnote>')
 
@@ -40,7 +50,7 @@ def replace_footnote_tags(self, value, html, context=None):
             page.footnotes_list = []
         if not hasattr(page, "footnotes_references"):
             page.footnotes_references = defaultdict(list)
-        self.footnotes = {footnote.uuid: footnote for footnote in page.footnotes.all()}
+        self.footnotes = {str(footnote.uuid): footnote for footnote in page.footnotes.all()}
 
         def replace_tag(match):
             footnote_uuid = match.group(1)
diff --git a/wagtail_footnotes/migrations/0001_initial.py b/wagtail_footnotes/migrations/0001_initial.py
index 7384ad4..02d3ae7 100644
--- a/wagtail_footnotes/migrations/0001_initial.py
+++ b/wagtail_footnotes/migrations/0001_initial.py
@@ -2,10 +2,17 @@
 
 import django.db.models.deletion
 import modelcluster.fields
-import wagtail.core.fields
-import wagtail_footnotes.fields
+
+try:
+    import wagtail.fields as wagtail_fields
+except ImportError:
+    # Wagtail<3.0
+    import wagtail.core.fields as wagtail_fields
+
 from django.db import migrations, models
 
+import wagtail_footnotes.fields
+
 
 class Migration(migrations.Migration):
 
@@ -36,7 +43,7 @@ class Migration(migrations.Migration):
                         verbose_name="ID",
                     ),
                 ),
-                ("text", wagtail.core.fields.RichTextField()),
+                ("text", wagtail_fields.RichTextField()),
                 (
                     "page",
                     modelcluster.fields.ParentalKey(
diff --git a/wagtail_footnotes/migrations/0002_alter_footnote_unique_together.py b/wagtail_footnotes/migrations/0002_alter_footnote_unique_together.py
index 02503b8..fa7991b 100644
--- a/wagtail_footnotes/migrations/0002_alter_footnote_unique_together.py
+++ b/wagtail_footnotes/migrations/0002_alter_footnote_unique_together.py
@@ -1,6 +1,7 @@
 # Generated by Django 3.2.4 on 2021-06-24 10:18
 
 from django.db import migrations
+
 import wagtail_footnotes.fields
 
 
diff --git a/wagtail_footnotes/models.py b/wagtail_footnotes/models.py
index cc87a5a..fea3b83 100644
--- a/wagtail_footnotes/models.py
+++ b/wagtail_footnotes/models.py
@@ -1,8 +1,18 @@
 from django.conf import settings
 from django.db import models
 from modelcluster.fields import ParentalKey
-from wagtail.admin.edit_handlers import FieldPanel, InlinePanel
-from wagtail.core.fields import RichTextField
+
+try:
+    from wagtail.admin.panels import FieldPanel, InlinePanel
+except ImportError:
+    # Wagtail<3.0
+    from wagtail.admin.edit_handlers import FieldPanel, InlinePanel
+
+try:
+    from wagtail.fields import RichTextField
+except ImportError:
+    # Wagtail<3.0
+    from wagtail.core.fields import RichTextField
 
 from .fields import CustomUUIDField
 from .widgets import ReadonlyUUIDInput
diff --git a/wagtail_footnotes/wagtail_hooks.py b/wagtail_footnotes/wagtail_hooks.py
index 270cd5b..093e82a 100644
--- a/wagtail_footnotes/wagtail_hooks.py
+++ b/wagtail_footnotes/wagtail_hooks.py
@@ -2,10 +2,14 @@
 from django.templatetags.static import static
 from django.utils.html import format_html_join
 from draftjs_exporter.dom import DOM
-from wagtail.admin.rich_text.converters.html_to_contentstate import (
-    InlineEntityElementHandler,
-)
-from wagtail.core import hooks
+from wagtail.admin.rich_text.converters.html_to_contentstate import \
+    InlineEntityElementHandler
+
+try:
+    from wagtail import hooks
+except ImportError:
+    # Wagtail<3.0
+    from wagtail.core import hooks
 
 
 @hooks.register("register_rich_text_features")