diff --git a/inst/rs-settings/rstudio-prefs--bio-default.json b/inst/rs-settings/rstudio-prefs--bio-default.json
index 153741d7..9996c3f6 100644
--- a/inst/rs-settings/rstudio-prefs--bio-default.json
+++ b/inst/rs-settings/rstudio-prefs--bio-default.json
@@ -13,8 +13,8 @@
     "auto_save_on_idle"                            : "backup",
     "background_diagnostics"                       : true,
     "background_diagnostics_delay_ms"              : 2000,
-    "bioconductor_mirror_name"                     : "Sweden (Umea)",
-    "bioconductor_mirror_url"                      : "http://mirror.accum.se/mirror/bioconductor.org/",
+    "bioconductor_mirror_name"                     : "Sweden (Umea) [https]",
+    "bioconductor_mirror_url"                      : "https://mirror.accum.se/mirror/bioconductor.org/",
     "blinking_cursor"                              : true,
     "busy_detection"                               : "always",
     "busy_exclusion_list"                          : ["tmux", "screen"],