diff --git a/config/packages/security.yaml b/config/packages/security.yaml
index d41e1f0..b187afe 100644
--- a/config/packages/security.yaml
+++ b/config/packages/security.yaml
@@ -69,6 +69,7 @@ security:
     access_control:
         - { path: ^/api$, roles: PUBLIC_ACCESS }
         - { path: ^/api/docs, roles: PUBLIC_ACCESS }
+        - { path: "^/api/watchlists/[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/calendar$", roles: PUBLIC_ACCESS }
         - { path: ^/api, roles: IS_AUTHENTICATED_FULLY }
 
 when@test: