diff --git a/src/models/species.model.ts b/src/models/species.model.ts
index 35e1be77..26f49208 100644
--- a/src/models/species.model.ts
+++ b/src/models/species.model.ts
@@ -25,6 +25,20 @@ export class Species extends Entity {
   })
   id: Number;
 
+  @property({
+    type: String,
+    required: true,
+    postgresql: {
+      columnName: 'uuid',
+      dataType: 'varchar',
+      dataLength: null,
+      dataPrecision: null,
+      dataScale: 0,
+      nullable: 'NO',
+    },
+  })
+  uuid: String;
+
   @property({
     type: String,
     required: false,
diff --git a/src/models/tag.model.ts b/src/models/tag.model.ts
index 4caa034e..927a972d 100644
--- a/src/models/tag.model.ts
+++ b/src/models/tag.model.ts
@@ -25,6 +25,20 @@ export class Tag extends Entity {
   })
   id: Number;
 
+  @property({
+    type: String,
+    required: true,
+    postgresql: {
+      columnName: 'uuid',
+      dataType: 'varchar',
+      dataLength: null,
+      dataPrecision: null,
+      dataScale: 0,
+      nullable: 'NO',
+    },
+  })
+  uuid: String;
+
   @property({
     type: String,
     required: false,