diff --git a/db/patch-monitor-tls-info-add-fk.sql b/db/patch-monitor-tls-info-add-fk.sql
new file mode 100644
index 00000000..9b9c2d2c
--- /dev/null
+++ b/db/patch-monitor-tls-info-add-fk.sql
@@ -0,0 +1,18 @@
+BEGIN TRANSACTION;
+
+PRAGMA writable_schema = TRUE;
+
+UPDATE
+	SQLITE_MASTER
+SET
+	sql = replace(sql,
+	'monitor_id INTEGER NOT NULL',
+	'monitor_id INTEGER NOT NULL REFERENCES [monitor] ([id]) ON DELETE CASCADE ON UPDATE CASCADE'
+)
+WHERE
+	name = 'monitor_tls_info'
+	AND type = 'table';
+
+PRAGMA writable_schema = RESET;
+
+COMMIT;
diff --git a/server/database.js b/server/database.js
index 07a43a81..d31423c7 100644
--- a/server/database.js
+++ b/server/database.js
@@ -84,6 +84,7 @@ class Database {
         "patch-notification-config.sql": true,
         "patch-fix-kafka-producer-booleans.sql": true,
         "patch-timeout.sql": true,
+        "patch-monitor-tls-info-add-fk.sql": true,
     };
 
     /**