diff --git a/debian/copyright b/debian/copyright
index 20e8cb8..1d0ecbb 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: squeezelite
 Upstream-Contact: Adrian Smith <triode1@btinternet.com>
 Source: https://code.google.com/p/squeezelite/