diff --git a/src/model/constants/DraftBlockType.js b/src/model/constants/DraftBlockType.js
index e2168146b2..9acb253dc6 100644
--- a/src/model/constants/DraftBlockType.js
+++ b/src/model/constants/DraftBlockType.js
@@ -27,7 +27,9 @@ export type CoreDraftBlockType =
   | 'ordered-list-item'
   | 'blockquote'
   | 'code-block'
-  | 'atomic';
+  | 'atomic'
+  | 'section'
+  | 'article';
 
 /**
  * User defined types can be of any valid string.
diff --git a/src/model/immutable/DefaultDraftBlockRenderMap.js b/src/model/immutable/DefaultDraftBlockRenderMap.js
index 34d867d199..dc36ac9707 100644
--- a/src/model/immutable/DefaultDraftBlockRenderMap.js
+++ b/src/model/immutable/DefaultDraftBlockRenderMap.js
@@ -47,6 +47,12 @@ const DefaultDraftBlockRenderMap: DefaultCoreDraftBlockRenderMap = Map({
   'header-six': {
     element: 'h6',
   },
+  section: {
+    element: 'section',
+  },
+  article: {
+    element: 'article',
+  },
   'unordered-list-item': {
     element: 'li',
     wrapper: UL_WRAP,