diff --git a/src/main/resources/api-definition/auth.yaml b/src/main/resources/api-definition/auth.yaml
index 138c5eaa..345b003b 100644
--- a/src/main/resources/api-definition/auth.yaml
+++ b/src/main/resources/api-definition/auth.yaml
@@ -6,7 +6,7 @@ components:
         currentSubject:
             name: current-subject
             in: header
-            required: true
+            required: false
             schema:
                 type: string
             description: Identifying name of the current subject (e.g. user).