diff --git a/ANNOUNCE b/ANNOUNCE
index e50bcd463..e78be2268 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -25,11 +25,11 @@ Availability
 ============
 The release is available for download on Sourceforge at
 
-     http://prdownloads.sourceforge.net/swig/swig-4.1.0.tar.gz
+     https://prdownloads.sourceforge.net/swig/swig-4.1.0.tar.gz
 
 A Windows version is also available at
 
-     http://prdownloads.sourceforge.net/swig/swigwin-4.1.0.zip
+     https://prdownloads.sourceforge.net/swig/swigwin-4.1.0.zip
 
 Please report problems with this release to the swig-devel mailing list,
 details at http://www.swig.org/mail.html.