diff --git a/pkgs/by-name/ti/tie/package.nix b/pkgs/by-name/ti/tie/package.nix
index 84f98c6d4f27..e8a34e88011a 100644
--- a/pkgs/by-name/ti/tie/package.nix
+++ b/pkgs/by-name/ti/tie/package.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation (finalAttrs: {
   version = "2.4";
 
   src = fetchurl {
-    url = "http://mirrors.ctan.org/web/tie/tie-${finalAttrs.version}.tar.gz";
+    url = "https://mirrors.ctan.org/web/tie/tie-${finalAttrs.version}.tar.gz";
     sha256 = "1m5952kdfffiz33p1jw0wv7dh272mmw28mpxw9v7lkb352zv4xsj";
   };