diff --git a/gnu/packages/dav.scm b/gnu/packages/dav.scm
index fb370fd716..5362d3505f 100644
--- a/gnu/packages/dav.scm
+++ b/gnu/packages/dav.scm
@@ -54,7 +54,7 @@ (define-public radicale
 Radicale intentionally does not fully comply with the CalDAV and CardDAV RFCs.
 Instead, it supports the CalDAV and CardDAV implementations of popular
 clients.")
-    (home-page "http://radicale.org/")
+    (home-page "https://radicale.org/")
     (license gpl3+)))
 
 (define-public vdirsyncer