diff --git a/debian/changelog b/debian/changelog
index 3ba687c98cf5a004b15715f46bcd45eeb55112b7..0ccd45d7db237b03286fe63794666907d8bbfb20 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -5,6 +5,7 @@ ruby-hashie (3.5.5-3) UNRELEASED; urgency=medium
 
   [ Debian Janitor ]
   * Trim trailing whitespace.
+  * Use secure copyright file specification URI.
 
  -- Utkarsh Gupta <guptautkarsh2102@gmail.com>  Tue, 13 Aug 2019 05:35:57 +0530
 
diff --git a/debian/copyright b/debian/copyright
index 275a90895f27c5b5fd09baf9bdf2090f19ab854a..bfbfc0cda66fcbf7bf43d1064c5bcf92f5bb2934 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -1,4 +1,4 @@
-Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
 Upstream-Name: hashie
 Source: http://rubygems.org/gems/hashie