diff --git a/debian/watch b/debian/watch
index 5965d6f..a59ad04 100644
--- a/debian/watch
+++ b/debian/watch
@@ -1,3 +1,3 @@
 version=4
 
-opts=pgpsigurlmangle=s/$/.sig/ http://download.kde.org/stable/frameworks/([\d\.]*)/kwindowsystem-(.*)\.tar\.xz
+opts=pgpsigurlmangle=s/$/.sig/ https://download.kde.org/stable/frameworks/([\d\.]*)/kwindowsystem-(.*)\.tar\.xz