diff --git a/pkgs/tools/networking/haproxy/default.nix b/pkgs/tools/networking/haproxy/default.nix
index 332edce45cd..5c594bb9cbf 100644
--- a/pkgs/tools/networking/haproxy/default.nix
+++ b/pkgs/tools/networking/haproxy/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   name = "${pname}-${version}";
 
   src = fetchurl {
-    url = "http://www.haproxy.org/download/${majorVersion}/src/${name}.tar.gz";
+    url = "https://www.haproxy.org/download/${majorVersion}/src/${name}.tar.gz";
     sha256 = "0hp1k957idaphhmw4m0x8cdzdw9ga1mzgsnk2m0as86xrqy1b47c";
   };