diff --git a/server/auth/TokenManager.js b/server/auth/TokenManager.js
index 42ca262bb..5933209c7 100644
--- a/server/auth/TokenManager.js
+++ b/server/auth/TokenManager.js
@@ -1,4 +1,5 @@
 const { Op } = require('sequelize')
+const uuid = require('uuid')
 
 const Database = require('../Database')
 const Logger = require('../Logger')
@@ -115,6 +116,7 @@ class TokenManager {
     const payload = {
       userId: user.id,
       username: user.username,
+      jti: uuid.v4(),
       type: 'access'
     }
     const options = {
@@ -138,6 +140,7 @@ class TokenManager {
     const payload = {
       userId: user.id,
       username: user.username,
+      jti: uuid.v4(),
       type: 'refresh'
     }
     const options = {
diff --git a/server/controllers/AuthorController.js b/server/controllers/AuthorController.js
index 80471ec47..8c2e80aec 100644
--- a/server/controllers/AuthorController.js
+++ b/server/controllers/AuthorController.js
@@ -149,7 +149,7 @@ class AuthorController {
       })
       if (libraryItems.length) {
         await Database.bookAuthorModel.removeByIds(req.author.id) // Remove all old BookAuthor
-        await Database.bookAuthorModel.bulkCreate(bookAuthorsToCreate) // Create all new BookAuthor
+        await Database.bookAuthorModel.bulkCreate(bookAuthorsToCreate, { ignoreDuplicates: true }) // Create all new unique BookAuthor
         for (const libraryItem of libraryItems) {
           await libraryItem.saveMetadataFile()
         }