diff --git a/pkgs/by-name/xc/xchainkeys/package.nix b/pkgs/by-name/xc/xchainkeys/package.nix
index 84d9ba874de1..f54e6e2f7ae9 100644
--- a/pkgs/by-name/xc/xchainkeys/package.nix
+++ b/pkgs/by-name/xc/xchainkeys/package.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation (finalAttrs: {
   version = "0.11";
 
   src = fetchurl {
-    url = "http://henning-bekel.de/download/xchainkeys/xchainkeys-${finalAttrs.version}.tar.gz";
+    url = "https://henning-bekel.de/download/xchainkeys/xchainkeys-${finalAttrs.version}.tar.gz";
     sha256 = "1rpqs7h5krral08vqxwb0imy33z17v5llvrg5hy8hkl2ap7ya0mn";
   };