diff --git a/byaccj.spec b/byaccj.spec
index 2508bb8..49412af 100644
--- a/byaccj.spec
+++ b/byaccj.spec
@@ -23,7 +23,7 @@ Release:        0
 Summary:        Parser Generator with Java Extension
 License:        SUSE-Public-Domain
 Group:          Development/Libraries/Java
-URL:            http://byaccj.sourceforge.net/
+URL:            https://byaccj.sourceforge.net/
 Source0:        https://downloads.sourceforge.net/%{name}/%{name}%{version}_src.tar.gz
 Patch0:         byaccj-gcc14.patch
 Requires:       man-pages