diff --git a/sql/MySQL/6.sql b/sql/MySQL/6.sql
index 4d7d4ae..6c652e8 100644
--- a/sql/MySQL/6.sql
+++ b/sql/MySQL/6.sql
@@ -4,6 +4,8 @@
 
 -- Please consult the SQLite 3 schemata for commented version
 
+alter table arsse_tokens add column data longtext default null;
+
 alter table arsse_users add column num bigint unsigned unique;
 alter table arsse_users add column admin boolean not null default 0;
 alter table arsse_users add column lang longtext;
diff --git a/sql/PostgreSQL/6.sql b/sql/PostgreSQL/6.sql
index c78f6d4..f14f8c8 100644
--- a/sql/PostgreSQL/6.sql
+++ b/sql/PostgreSQL/6.sql
@@ -4,6 +4,8 @@
 
 -- Please consult the SQLite 3 schemata for commented version
 
+alter table arsse_tokens add column data text default null;
+
 alter table arsse_users add column num bigint unique;
 alter table arsse_users add column admin smallint not null default 0;
 alter table arsse_users add column lang text;
diff --git a/sql/SQLite3/6.sql b/sql/SQLite3/6.sql
index 6e8a993..8c6f73f 100644
--- a/sql/SQLite3/6.sql
+++ b/sql/SQLite3/6.sql
@@ -2,6 +2,10 @@
 -- Copyright 2017 J. King, Dustin Wilson et al.
 -- See LICENSE and AUTHORS files for details
 
+-- Add a column to the token table to hold arbitrary class-specific data
+-- This is a speculative addition to support OAuth login in the future
+alter table arsse_tokens add column data text default null;
+
 -- Add multiple columns to the users table
 -- In particular this adds a numeric identifier for each user, which Miniflux requires
 create table arsse_users_new(