diff --git a/synapse/storage/schema/delta/15/v15.sql b/synapse/storage/schema/delta/15/v15.sql
new file mode 100644
index 0000000000..f5b2a08ca4
--- /dev/null
+++ b/synapse/storage/schema/delta/15/v15.sql
@@ -0,0 +1,25 @@
+-- Drop, copy & recreate pushers table to change unique key
+-- Also add access_token column at the same time
+CREATE TABLE IF NOT EXISTS pushers2 (
+ id INTEGER PRIMARY KEY AUTOINCREMENT,
+ user_name TEXT NOT NULL,
+ access_token INTEGER DEFAULT NULL,
+ profile_tag varchar(32) NOT NULL,
+ kind varchar(8) NOT NULL,
+ app_id varchar(64) NOT NULL,
+ app_display_name varchar(64) NOT NULL,
+ device_display_name varchar(128) NOT NULL,
+ pushkey blob NOT NULL,
+ ts BIGINT NOT NULL,
+ lang varchar(8),
+ data blob,
+ last_token TEXT,
+ last_success BIGINT,
+ failing_since BIGINT,
+ FOREIGN KEY(user_name) REFERENCES users(name),
+ UNIQUE (app_id, pushkey, user_name)
+);
+INSERT INTO pushers2 (id, user_name, profile_tag, kind, app_id, app_display_name, device_display_name, pushkey, ts, lang, data, last_token, last_success, failing_since)
+ SELECT id, user_name, profile_tag, kind, app_id, app_display_name, device_display_name, pushkey, ts, lang, data, last_token, last_success, failing_since FROM pushers;
+DROP TABLE pushers;
+ALTER TABLE pushers2 RENAME TO pushers;
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