diff --git a/extra/cln/PKGBUILD b/extra/cln/PKGBUILD
index eddb9417e..30dcdb235 100644
--- a/extra/cln/PKGBUILD
+++ b/extra/cln/PKGBUILD
@@ -6,16 +6,16 @@
 #  - Removed building and installing pdf docs, it always fails.
 
 pkgname=cln
-pkgver=1.3.4
-pkgrel=4
+pkgver=1.3.5
+pkgrel=1
 pkgdesc="Class library for numbers"
 arch=('x86_64')
-url="http://www.ginac.de/CLN/"
+url="https://www.ginac.de/CLN/"
 license=('GPL')
 depends=('gmp')
 makedepends=('texlive-core')
-source=(http://www.ginac.de/CLN/${pkgname}-${pkgver}.tar.bz2)
-sha1sums=('76f73071236ead72ba5c9ee892f29ca24e557b8c')
+source=(https://www.ginac.de/CLN/${pkgname}-${pkgver}.tar.bz2)
+sha1sums=('f32e0dc1e1f16598b0174fc82c8110ec090a8e1f')
 
 build() {
   cd ${pkgname}-${pkgver}