diff --git a/docs/src/data/posts/commands.md b/docs/src/data/posts/commands.md
index 118d5ceb..8e6f27da 100644
--- a/docs/src/data/posts/commands.md
+++ b/docs/src/data/posts/commands.md
@@ -46,4 +46,8 @@ Toggle a mark on and off.
 
 ## .toggleNode()
 
-Toggle a node with another node.
\ No newline at end of file
+Toggle a node with another node.
+
+## .updateMark()
+
+Update a mark with new attributes.
\ No newline at end of file
diff --git a/packages/core/src/Editor.ts b/packages/core/src/Editor.ts
index 66b0364a..8b7a0b3f 100644
--- a/packages/core/src/Editor.ts
+++ b/packages/core/src/Editor.ts
@@ -77,6 +77,7 @@ export class Editor extends EventEmitter {
     this.registerCommand('setContent', require('./commands/setContent').default)
     this.registerCommand('toggleMark', require('./commands/toggleMark').default)
     this.registerCommand('toggleNode', require('./commands/toggleNode').default)
+    this.registerCommand('updateMark', require('./commands/updateMark').default)
     
     if (this.options.injectCSS) {
       require('./style.css')
diff --git a/packages/core/src/commands/updateMark.ts b/packages/core/src/commands/updateMark.ts
new file mode 100644
index 00000000..e5d81eef
--- /dev/null
+++ b/packages/core/src/commands/updateMark.ts
@@ -0,0 +1,41 @@
+import { Editor } from '../Editor'
+import { MarkType } from 'prosemirror-model'
+import getMarkType from '../utils/getMarkType'
+import getMarkRange from '../utils/getMarkRange'
+
+type UpdateMark = (
+  type: string | MarkType,
+  attrs: {},
+) => any
+
+declare module '../Editor' {
+  interface Editor {
+    updateMark: UpdateMark,
+  }
+}
+
+export default (next: Function, editor: Editor): UpdateMark => (typeOrName, attrs) => {
+  const { view, state, schema } = editor
+  const { tr, selection, doc } = state
+  let { from, to, $from, empty } = selection
+  const type = getMarkType(typeOrName, schema)
+
+  if (empty) {
+    const range = getMarkRange($from, type)
+
+    if (range) {
+      from = range.from
+      to = range.to
+    }
+  }
+
+  const hasMark = doc.rangeHasMark(from, to, type)
+
+  if (hasMark) {
+    tr.removeMark(from, to, type)
+  }
+
+  tr.addMark(from, to, type.create(attrs))
+  view.dispatch(tr)
+  next()
+}