diff --git a/schemas/ispyb/updates/2022_06_28_detector_rois.sql b/schemas/ispyb/updates/2022_06_28_detector_rois.sql
new file mode 100644
index 00000000..21acb098
--- /dev/null
+++ b/schemas/ispyb/updates/2022_06_28_detector_rois.sql
@@ -0,0 +1,29 @@
+INSERT IGNORE INTO SchemaStatus (scriptName, schemaStatus) VALUES ('2022_06_28_detector_rois.sql', 'ONGOING');
+
+DROP TABLE IF EXISTS `DetectorROI`;
+/*!40101 SET @saved_cs_client     = @@character_set_client */;
+/*!40101 SET character_set_client = utf8 */;
+CREATE TABLE `DetectorROI` (
+  `detectorROIId` int(11) unsigned NOT NULL AUTO_INCREMENT,
+  `detectorId` int(11) NOT NULL,
+  `blSampleId` int(10) unsigned NOT NULL,
+  `type` varchar(50) NOT NULL COMMENT 'The ROI type rectangle, arc, q range, etc', 
+  `name` varchar(50) NOT NULL COMMENT 'A short name for this ROI',
+  `blTimestamp` timestamp NOT NULL DEFAULT current_timestamp(),
+  `definition` text NOT NULL COMMENT 'The ROI definition in json format' CHECK (json_valid(`definition`)),
+  PRIMARY KEY (`detectorROIId`),
+  KEY `detectorROI_fk1` (`detectorId`),
+  KEY `detectorROI_fk2` (`blSampleId`),
+  CONSTRAINT `detectorROI_fk1` FOREIGN KEY (`detectorId`) REFERENCES `Detector` (`detectorId`) ON DELETE CASCADE ON UPDATE CASCADE,
+  CONSTRAINT `detectorROI_fk2` FOREIGN KEY (`blSampleId`) REFERENCES `BLSample` (`blSampleId`) ON DELETE CASCADE ON UPDATE CASCADE
+) ENGINE=InnoDB COMMENT='Store an ROI for a 2d detector against a particular sample';
+/*!40101 SET character_set_client = @saved_cs_client */;
+
+ALTER TABLE `XRFFluorescenceMapping`
+  CHANGE `xrfFluorescenceMappingROIId` `xrfFluorescenceMappingROIId` int(11) unsigned NULL,
+  ADD `detectorROIId` int(11) unsigned NULL,
+  ADD CONSTRAINT `XRFFluorescenceMapping_ibfk4`
+    FOREIGN KEY (`detectorROIId`)
+      REFERENCES `DetectorROI`(`detectorROIId`);
+
+UPDATE SchemaStatus SET schemaStatus = 'DONE' WHERE scriptName = '2022_06_28_detector_rois.sql';