diff --git a/docs/api-spec.yaml b/docs/api-spec.yaml
index 6417cfddd..27bc6bcce 100644
--- a/docs/api-spec.yaml
+++ b/docs/api-spec.yaml
@@ -1,4 +1,4 @@
-openapi: 3.0.3
+openapi: 3.0.4
 info:
   title: ChangeDetection.io API
   description: |