diff --git a/swagger.yml b/swagger.yml
index c4b8082..11ee3bc 100644
--- a/swagger.yml
+++ b/swagger.yml
@@ -12,7 +12,7 @@ externalDocs:
   url: https://www.cancer.gov/research/areas/childhood/childhood-cancer-data-initiative
 servers:
   - url: https://ccdi.stjude.cloud/api/v0
-  - url: http://ccdi.treehouse.gi.ucsc.edu/api/v0
+  - url: https://ccdi.treehouse.gi.ucsc.edu/api/v0
     description: Treehouse CCDI API server
 tags: 
   - name: info