diff --git a/sample.APKBUILD b/sample.APKBUILD
index 95a6634..7df007c 100644
--- a/sample.APKBUILD
+++ b/sample.APKBUILD
@@ -17,7 +17,7 @@ depends_dev=
 makedepends="$depends_dev"
 install=
 subpackages="$pkgname-dev $pkgname-doc"
-source="http://downloads.sourceforge.net/$pkgname/$pkgname-$pkgver.tar.gz"
+source="https://downloads.sourceforge.net/$pkgname/$pkgname-$pkgver.tar.gz"
 
 builddir="$srcdir"/$pkgname-$pkgver