diff --git a/api/v1/openapi.yaml b/api/v1/openapi.yaml
index 11a1d4a..328af04 100644
--- a/api/v1/openapi.yaml
+++ b/api/v1/openapi.yaml
@@ -123,11 +123,7 @@ components:
       name: trainingID
       required: true
       schema:
-        type: string
-        format: uuid
-        x-go-type: training.TrainingID
-        x-go-type-import:
-          path: gitlab.mareshq.com/hq/yggdrasil/pkg/training
+        $ref: "#/components/schemas/TrainingID"
       description: Training ID
 
   schemas:
@@ -171,14 +167,17 @@ components:
         - type: object
         - properties:
             id:
-              type: string
-              format: uuid
-              x-go-type: training.TrainingID
-              x-go-type-import:
-                path: gitlab.mareshq.com/hq/yggdrasil/pkg/training
+              $ref: "#/components/schemas/TrainingID"
         - required:
             - id
 
+    TrainingID:
+      type: string
+      format: uuid
+      x-go-type: training.TrainingID
+      x-go-type-import:
+        path: gitlab.mareshq.com/hq/yggdrasil/pkg/training
+
     ProblemDetails:
       type: object
       description: >