diff --git a/gnu/packages/networking.scm b/gnu/packages/networking.scm
index b7e79ce596..9fd58a5659 100644
--- a/gnu/packages/networking.scm
+++ b/gnu/packages/networking.scm
@@ -550,7 +550,7 @@ (define-public iodine
               ("zlib" ,zlib)))
     (native-inputs `(("check" ,check)
                      ("pkg-config" ,pkg-config)))
-    (home-page "http://code.kryo.se/iodine/")
+    (home-page "https://code.kryo.se/iodine/")
     (synopsis "Tunnel IPv4 data through a DNS server")
     (description "Iodine tunnels IPv4 data through a DNS server.  This
 can be useful in different situations where internet access is firewalled, but