diff --git a/pkgs/development/libraries/cln/default.nix b/pkgs/development/libraries/cln/default.nix
index 7adc2a365c5b..dc36414fc28d 100644
--- a/pkgs/development/libraries/cln/default.nix
+++ b/pkgs/development/libraries/cln/default.nix
@@ -2,18 +2,18 @@
 
 stdenv.mkDerivation rec {
   pname = "cln";
-  version = "1.3.4";
+  version = "1.3.5";
 
   src = fetchurl {
     url = "${meta.homepage}${pname}-${version}.tar.bz2";
-    sha256 = "0j5p18hwbbrchsdbnc8d2bf9ncslhflri4i950gdnq7v6g2dg69d";
+    sha256 = "0bc43v4fyxwik9gjkvm8jan74bkx9bjssv61lfh9jhhblmj010bq";
   };
 
   buildInputs = [ gmp ];
 
   meta = with stdenv.lib; {
     description = "C/C++ library for numbers, a part of GiNaC";
-    homepage = http://www.ginac.de/CLN/;
+    homepage = https://www.ginac.de/CLN/;
     license = licenses.gpl2;
     platforms = platforms.unix; # Once had cygwin problems
   };