diff --git a/news/233.bugfix b/news/233.bugfix
new file mode 100644
index 00000000..04423370
--- /dev/null
+++ b/news/233.bugfix
@@ -0,0 +1,2 @@
+add upgrade steps for HTMLFilter defaults.
+[petschki]
diff --git a/plone/app/upgrade/v51/profiles/to_517/registry.xml b/plone/app/upgrade/v51/profiles/to_517/registry.xml
index 1156921b..ba67afbb 100644
--- a/plone/app/upgrade/v51/profiles/to_517/registry.xml
+++ b/plone/app/upgrade/v51/profiles/to_517/registry.xml
@@ -5,4 +5,13 @@
       <element>Collection</element>
     </value>
   </records>
-</registry>
\ No newline at end of file
+
+  <records interface="Products.CMFPlone.interfaces.controlpanel.IFilterSchema" prefix="plone">
+    <value key="valid_tags" purge="false">
+      <element>hr</element>
+    </value>
+    <value key="custom_attributes" purge="false">
+      <element>style</element>
+    </value>
+  </records>
+</registry>
diff --git a/plone/app/upgrade/v52/profiles/to_522/registry/controlpanel.xml b/plone/app/upgrade/v52/profiles/to_522/registry/controlpanel.xml
new file mode 100644
index 00000000..4cc8e641
--- /dev/null
+++ b/plone/app/upgrade/v52/profiles/to_522/registry/controlpanel.xml
@@ -0,0 +1,11 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<registry>
+  <records interface="Products.CMFPlone.interfaces.controlpanel.IFilterSchema" prefix="plone">
+    <value key="valid_tags" purge="false">
+      <element>hr</element>
+    </value>
+    <value key="custom_attributes" purge="false">
+      <element>style</element>
+    </value>
+  </records>
+</registry>
diff --git a/plone/app/upgrade/v60/profiles/to_alpha1/registry.xml b/plone/app/upgrade/v60/profiles/to_alpha1/registry.xml
index a9dd5cff..e76da90c 100644
--- a/plone/app/upgrade/v60/profiles/to_alpha1/registry.xml
+++ b/plone/app/upgrade/v60/profiles/to_alpha1/registry.xml
@@ -1,4 +1,20 @@
 <?xml version="1.0"?>
 <registry>
-    <records interface="plone.app.theming.interfaces.IThemeSettings" />
+  <records interface="plone.app.theming.interfaces.IThemeSettings" />
+
+  <records interface="Products.CMFPlone.interfaces.controlpanel.ITypesSchema" prefix="plone">
+    <value key="default_page_types" purge="false">
+      <element>Collection</element>
+    </value>
+  </records>
+
+  <records interface="Products.CMFPlone.interfaces.controlpanel.IFilterSchema" prefix="plone">
+    <value key="valid_tags" purge="false">
+      <element>hr</element>
+    </value>
+    <value key="custom_attributes" purge="false">
+      <element>style</element>
+    </value>
+  </records>
+
 </registry>