diff --git a/python-ply/trunk/PKGBUILD b/python-ply/trunk/PKGBUILD
index 1cf750d5a1a..04c7ae6bd5b 100644
--- a/python-ply/trunk/PKGBUILD
+++ b/python-ply/trunk/PKGBUILD
@@ -12,7 +12,7 @@ arch=('any')
 url='https://www.dabeaz.com/ply/'
 license=('BSD')
 makedepends=('python-setuptools' 'python2-setuptools')
-source=("http://www.dabeaz.com/ply/ply-$pkgver.tar.gz"
+source=("https://www.dabeaz.com/ply/ply-$pkgver.tar.gz"
         LICENSE)
 sha512sums=('37e39a4f930874933223be58a3da7f259e155b75135f1edd47069b3b40e5e96af883ebf1c8a1bbd32f914a9e92cfc12e29fec05cf61b518f46c1d37421b20008'
             '5cea085a23ed260afc9084380c1d59e3942c2385089a8eb2391a89c85cde4df2ceb7eed21bb8c4d0cad5b78e59742da69e4c5c78fd0e223f5c99c56e9296a075')