diff --git a/gnu/packages/package-management.scm b/gnu/packages/package-management.scm
index d9ba5f6ce1..1f65e21323 100644
--- a/gnu/packages/package-management.scm
+++ b/gnu/packages/package-management.scm
@@ -523,7 +523,7 @@ (define-public diffoscope
               ;; Below are modules used for tests.
               ("python-pytest" ,python-pytest)
               ("python-chardet" ,python-chardet)))
-    (home-page "http://diffoscope.org/")
+    (home-page "https://diffoscope.org/")
     (synopsis "Compare files, archives, and directories in depth")
     (description
      "Diffoscope tries to get to the bottom of what makes files or directories