diff --git a/debian/changelog b/debian/changelog
index 1bf67d197b2d00925b3a737cfa8d434bb9008d83..57d9dad9e6318f6e04790bb707cc98bc2e6256d9 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -13,6 +13,8 @@ link-grammar (5.4.4-1) unstable; urgency=medium
     python-package-depends-on-package-from-other-python-variant
     Lintian tag.
   * Update Vcs-Browser and Vcs-Git fields in debian/control.
+  * Update Homepage field in debian/control and Source field in
+    debian/copyright to use HTTPS.
 
  -- Fabian Wolff <fabi.wolff@arcor.de>  Fri, 27 Apr 2018 14:24:45 +0200
 
diff --git a/debian/control b/debian/control
index e672e801dd071a4a6912763ef7fbfa95dd865daf..c323b4c71cf8203eda5a0839dd835d7d3b1bebde 100644
--- a/debian/control
+++ b/debian/control
@@ -17,7 +17,7 @@ Build-Depends:
  swig,
  zlib1g-dev,
 Standards-Version: 4.1.4
-Homepage: http://www.abisource.com/projects/link-grammar/
+Homepage: https://www.abisource.com/projects/link-grammar/
 Vcs-Browser: https://salsa.debian.org/debian/link-grammar
 Vcs-Git: https://salsa.debian.org/debian/link-grammar.git/
 
diff --git a/debian/copyright b/debian/copyright
index 3ea89902344112e29b8ba1d6d7bed37be3f75b73..f72a2e56bf13848f487d6d20a27c4eb66f0c81c4 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -1,6 +1,6 @@
 Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
 Upstream-Name: link-grammar
-Source: http://www.abisource.com/downloads/link-grammar/
+Source: https://www.abisource.com/downloads/link-grammar/
 
 Files: *
 Copyright: 2003-2004 Daniel Sleator