diff --git a/back/src/org/kar/karusic/migration/Migration20240907.java b/back/src/org/kar/karusic/migration/Migration20240907.java
new file mode 100644
index 0000000..40bc3d1
--- /dev/null
+++ b/back/src/org/kar/karusic/migration/Migration20240907.java
@@ -0,0 +1,34 @@
+package org.kar.karusic.migration;
+
+import org.kar.archidata.migration.MigrationSqlStep;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class Migration20240907 extends MigrationSqlStep {
+	private static final Logger LOGGER = LoggerFactory.getLogger(Migration20240907.class);
+
+	public static final int KARSO_INITIALISATION_ID = 1;
+
+	@Override
+	public String getName() {
+		return "migration-2024-09-07: convert data id in uuid";
+	}
+
+	public Migration20240907() {
+
+	}
+
+	@Override
+	public void generateStep() throws Exception {
+		addAction("""
+				ALTER TABLE `data` DROP INDEX `PRIMARY`;
+				""");
+		addAction("""
+				ALTER TABLE `data` CHANGE `id` `uuid` binary(16) DEFAULT (UUID_TO_BIN(UUID(), TRUE));
+				""");
+		addAction("""
+				ALTER TABLE `data` ADD PRIMARY KEY `uuid` (`uuid`);
+				""");
+	}
+
+}