diff --git a/static/data/acknowledgements.yml b/static/data/acknowledgements.yml
index 08837188..aea31f6d 100644
--- a/static/data/acknowledgements.yml
+++ b/static/data/acknowledgements.yml
@@ -1,8 +1,8 @@
 sponsors:
   - name: Nearform
-    url: http://nearform.com
+    url: https://nearform.com
   - name: Platformatic
-    url: http://platformatic.dev
+    url: https://platformatic.dev
 past_sponsors:
   - name: LetzDoIt
     url: http://www.letzdoitapp.com