diff --git a/debian/changelog b/debian/changelog
index 4b2f1fa..2cef84f 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -5,6 +5,7 @@
 
   [ Debian Janitor ]
   * Trim trailing whitespace.
+  * Use secure copyright file specification URI.
 
  -- Alexandre Viau <aviau@debian.org>  Mon, 02 Apr 2018 19:27:27 -0400
 
diff --git a/debian/copyright b/debian/copyright
index 9a99af4..3a09db2 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: uboot-go
 Source: https://github.com/mvo5/uboot-go