diff --git a/R/annotate.R b/R/annotate.R
index 6d825bdc6b999509077f90677d5bb6c6a42c1a47..a0115384e8c9dfd0d0929132d3ae5b8e33dae100 100644
--- a/R/annotate.R
+++ b/R/annotate.R
@@ -381,7 +381,7 @@ setMethod(
             # load the file
             download.file(
                 paste(
-                    'ftp://ftp.ebi.ac.uk/pub/databases/GO/goa/',
+                    'https://ftp.ebi.ac.uk/pub/databases/GO/goa/',
                     toupper(id),
                     '/goa_',
                     id,