diff --git a/gnu/packages/networking.scm b/gnu/packages/networking.scm
index 39341e92fe..f106d2bf72 100644
--- a/gnu/packages/networking.scm
+++ b/gnu/packages/networking.scm
@@ -456,7 +456,7 @@ more.")
                       #t)))))
     (inputs
      `(("zeromq" ,zeromq)))
-    (home-page "http://zeromq.org")
+    (home-page "https://zeromq.org")
     (synopsis "High-level C bindings for ØMQ")
     (description
      "czmq provides bindings for the ØMQ core API that hides the differences