diff --git a/package.json b/package.json
index 60ff836a0a..17d1244cde 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
   "dependencies": {
     "@sentry/node": "6.19.7",
     "@tryghost/adapter-manager": "0.2.30",
-    "@tryghost/admin-api-schema": "3.0.0",
+    "@tryghost/admin-api-schema": "3.1.0",
     "@tryghost/api-version-compatibility-service": "0.4.1",
     "@tryghost/bookshelf-plugins": "0.4.1",
     "@tryghost/bootstrap-socket": "0.2.19",
diff --git a/test/e2e-api/admin/posts.test.js b/test/e2e-api/admin/posts.test.js
index 55d4f45e76..3693871396 100644
--- a/test/e2e-api/admin/posts.test.js
+++ b/test/e2e-api/admin/posts.test.js
@@ -503,7 +503,7 @@ describe('Posts API', function () {
             .send({posts: [post]})
             .expect('Content-Type', /json/)
             .expect('Cache-Control', testUtils.cacheRules.private)
-            .expect(422);
+            .expect(200);
 
         const model = await models.Post.findOne({
             id: postId
@@ -687,7 +687,7 @@ describe('Posts API', function () {
             .expect(200);
 
         const scheduledPost = scheduledRes.body.posts[0];
-        
+
         scheduledPost.newsletter.id.should.eql(newsletterId);
         should.not.exist(scheduledPost.newsletter_id);
 
@@ -716,7 +716,7 @@ describe('Posts API', function () {
             .expect('Content-Type', /json/)
             .expect('Cache-Control', testUtils.cacheRules.private)
             .expect(200);
-        
+
         const publishedPost = publishedRes.body.posts[0];
 
         model = await models.Post.findOne({
@@ -786,7 +786,7 @@ describe('Posts API', function () {
     });
 
     it('Can\'t change the newsletter_id once it has been set', async function () {
-        // Note: this test only works if there are members subscribed to the initial newsletter 
+        // Note: this test only works if there are members subscribed to the initial newsletter
         // (so it won't get reset when changing the post status to draft again)
 
         let model;
diff --git a/yarn.lock b/yarn.lock
index edf863cf54..471060e340 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1719,10 +1719,10 @@
   dependencies:
     "@tryghost/errors" "^1.2.1"
 
-"@tryghost/admin-api-schema@3.0.0":
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/@tryghost/admin-api-schema/-/admin-api-schema-3.0.0.tgz#e0d091b75c95450baaefa7d40a80bab3aa15e47e"
-  integrity sha512-F5eDQinVpew2jJMriQ0UrNegW4PWewK18ylbSGFRBax5EJPBY67A8g1nZpSmuC/gMArkIX4IVyyCtTniF6epvQ==
+"@tryghost/admin-api-schema@3.1.0":
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/@tryghost/admin-api-schema/-/admin-api-schema-3.1.0.tgz#bdb2fa3b43e3f30987cf4c0d3f34ff1b1a21fbc8"
+  integrity sha512-FLLIdR1flV4jaRcPDYbuzU0Wy5sE9olHA5stvUD2TwGw2RF92IVDai88VYWdkDCaOTwMyFSPEC/2b/IVVnXqtA==
   dependencies:
     "@tryghost/errors" "^1.0.0"
     lodash "^4.17.11"