diff --git a/gnu/packages/fonts.scm b/gnu/packages/fonts.scm
index 5256206d71..c37f5c28a6 100644
--- a/gnu/packages/fonts.scm
+++ b/gnu/packages/fonts.scm
@@ -716,7 +716,7 @@ (define-public font-gnu-unifont
      (origin
        (method url-fetch)
        (uri (list
-             (string-append "http://unifoundry.com/pub/unifont/unifont-"
+             (string-append "https://unifoundry.com/pub/unifont/unifont-"
                             version "/unifont-" version ".tar.gz")
              (string-append "mirror://gnu/unifont/unifont-"
                             version "/unifont-" version ".tar.gz")))