diff --git a/services/web/frontend/js/features/source-editor/extensions/bundle.ts b/services/web/frontend/js/features/source-editor/extensions/bundle.ts
index 1a57ba829b..a11839105d 100644
--- a/services/web/frontend/js/features/source-editor/extensions/bundle.ts
+++ b/services/web/frontend/js/features/source-editor/extensions/bundle.ts
@@ -1,5 +1,6 @@
 import { syntaxTree } from '@codemirror/language'
 import {
+  ChangeSet,
   EditorSelection,
   Prec,
   StateEffect,
@@ -13,9 +14,16 @@ import {
   ViewPlugin,
   WidgetType,
 } from '@codemirror/view'
+import {
+  undo,
+  redo,
+  invertedEffects,
+  isolateHistory,
+} from '@codemirror/commands'
 import { CodeMirror, Vim, getCM } from '@replit/codemirror-vim'
 
 export default {
+  ChangeSet,
   Decoration,
   EditorSelection,
   EditorView,
@@ -27,6 +35,10 @@ export default {
   hoverTooltip,
   keymap,
   syntaxTree,
+  undo,
+  redo,
+  invertedEffects,
+  isolateHistory,
 }
 
 export const CodeMirrorVim = {