diff --git a/debian/changelog b/debian/changelog
index 993b42a..8812d3b 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -8,6 +8,7 @@
   * Update Vcs-* headers for move to Salsa.
   * Declare compliance with Debian Policy 4.2.1.
     + Update debian/copyright DEP5 format URL to HTTPS.
+  * Change original source URL in debian/copyright to HTTPS, too.
 
  -- Axel Beckert <abe@debian.org>  Sat, 08 Oct 2016 12:12:39 +0200
 
diff --git a/debian/copyright b/debian/copyright
index 22086dd..b839655 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -1,5 +1,5 @@
 Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
-Source: http://www.ibiblio.org/pub/Linux/system/admin/idle/
+Source: https://www.ibiblio.org/pub/Linux/system/admin/idle/
 Comment: It was originally written by Chris Ausbrooks and downloaded
  from the source mentioned above, but was subsequently heavily
  rewritten for and developed in Debian.