diff --git a/docs/swagger.yaml b/docs/swagger.yaml
index 0ce72540e..0022b801c 100644
--- a/docs/swagger.yaml
+++ b/docs/swagger.yaml
@@ -158,7 +158,7 @@ paths:
           in: path
           description: versionId of a version of the EntityDescriptor
           required: true
-          type: integer
+          type: string
       responses:
         '200':
           description: OK
@@ -443,7 +443,7 @@ paths:
           in: path
           description: versionId of a version of the EntityDescriptor
           required: true
-          type: integer
+          type: string
       responses:
         '200':
           description: OK
@@ -562,7 +562,7 @@ paths:
           in: path
           description: versionId of a version of the MetadataResolver
           required: true
-          type: integer
+          type: string
       responses:
         '200':
           description: OK
@@ -1288,8 +1288,8 @@ definitions:
     type: object
     properties:
       id:
-        type: integer
-        description: identifier for this particular version of the object. Note that this is not guaranteed to be sequential.
+        type: string
+        description: identifier for this particular version of the object. Note that this is not guaranteed to be sequential if it is an integer string.
       creator:
         type: string
         description: identifier of the user that created this particular version of the object