diff --git a/keyserver/src/database/migration-config.js b/keyserver/src/database/migration-config.js
--- a/keyserver/src/database/migration-config.js
+++ b/keyserver/src/database/migration-config.js
@@ -634,6 +634,14 @@
       moveToNonApacheConfig('facts/keyserver_url.json', '/keyserver/');
     },
   ],
+  [
+    51,
+    async () =>
+      dbQuery(SQL`
+        ALTER TABLE invite_links 
+          ADD COLUMN blob_holder char(36) CHARSET latin1
+      `),
+  ],
 ]);
 const newDatabaseVersion: number = Math.max(...migrations.keys());
 
diff --git a/keyserver/src/database/setup-db.js b/keyserver/src/database/setup-db.js
--- a/keyserver/src/database/setup-db.js
+++ b/keyserver/src/database/setup-db.js
@@ -263,7 +263,8 @@
         community bigint(20) NOT NULL,
         expiration_time bigint(20),
         limit_of_uses int UNSIGNED,
-        number_of_uses int UNSIGNED NOT NULL DEFAULT 0
+        number_of_uses int UNSIGNED NOT NULL DEFAULT 0,
+        blob_holder char(36) CHARSET latin1
       ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
       CREATE TABLE olm_sessions (