1 files changed, 1 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/development/ocaml-modules/astring/default.nix b/nixpkgs/pkgs/development/ocaml-modules/astring/default.nix
index 13cc4b02b068..7410c19b2473 100644
--- a/nixpkgs/pkgs/development/ocaml-modules/astring/default.nix
+++ b/nixpkgs/pkgs/development/ocaml-modules/astring/default.nix
@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   name = "ocaml${ocaml.version}-astring-${version}";
 
   src = fetchurl {
-    url = "http://erratique.ch/software/astring/releases/astring-${version}.tbz";
+    url = "https://erratique.ch/software/astring/releases/astring-${version}.tbz";
     sha256 = "0ixjwc3plrljvj24za3l9gy0w30lsbggp8yh02lwrzw61ls4cri0";
   };