diff --git a/apps/vyper/src/app/utils/remix-client.tsx b/apps/vyper/src/app/utils/remix-client.tsx
index a52e34ab8a..f896c7c8a0 100644
--- a/apps/vyper/src/app/utils/remix-client.tsx
+++ b/apps/vyper/src/app/utils/remix-client.tsx
@@ -7,7 +7,6 @@ import { ExampleContract } from '../components/VyperResult'
 import EventEmitter from 'events'
 import { CustomRemixApi } from '@remix-api'
 
-
 export type VyperComplierAddress = 'https://vyper2.remixproject.org/' | 'http://localhost:8000/'
 export class RemixClient extends PluginClient<any, CustomRemixApi> {
   private client = createClient<Api, Readonly<RemixApi>>(this)
@@ -93,15 +92,15 @@ export class RemixClient extends PluginClient<any, CustomRemixApi> {
         { url: 'https://github.com/vyperlang/vyper', token: null, branch: 'master', singleBranch: false, workspaceName: 'vyper' },
       )
 
-      // await this.call(
-      //   'dgitApi',
-      //   'checkout',
-      //   {
-      //     ref:'v0.0.5',
-      //     force: true,
-      //     refresh: true,
-      //   }
-      // )
+      await this.call(
+        'dgitApi',
+        'checkout',
+        {
+          ref:'v0.4.0',
+          force: true,
+          refresh: true,
+        }
+      )
 
       this.call(
         // @ts-ignore
diff --git a/yarn.lock b/yarn.lock
index ba78df074c..02bcc12d59 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -16093,11 +16093,6 @@ flatted@^3.1.0:
   resolved "https://registry.yarnpkg.com/flatted/-/flatted-3.2.7.tgz#609f39207cb614b89d0765b477cb2d437fbf9787"
   integrity sha512-5nqDSxl8nn5BSNxyR3n4I6eDmbolI6WT+QqR547RwxQapgjQBmtktdP+HTBb/a/zLsbzERTONyUB5pefh5TtjQ==
 
-flexsearch@^0.7.43:
-  version "0.7.43"
-  resolved "https://registry.yarnpkg.com/flexsearch/-/flexsearch-0.7.43.tgz#34f89b36278a466ce379c5bf6fb341965ed3f16c"
-  integrity sha512-c5o/+Um8aqCSOXGcZoqZOm+NqtVwNsvVpWv6lfmSclU954O3wvQKxxK8zj74fPaSJbXpSLTs4PRhh+wnoCXnKg==
-
 flora-colossus@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/flora-colossus/-/flora-colossus-1.0.1.tgz#aba198425a8185341e64f9d2a6a96fd9a3cbdb93"