diff --git a/pkgs/by-name/op/opusfile/package.nix b/pkgs/by-name/op/opusfile/package.nix
index 921afa98afd1..c6f78c1a4ffd 100644
--- a/pkgs/by-name/op/opusfile/package.nix
+++ b/pkgs/by-name/op/opusfile/package.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation (finalAttrs: {
   pname = "opusfile";
   version = "0.12";
   src = fetchurl {
-    url = "http://downloads.xiph.org/releases/opus/opusfile-${finalAttrs.version}.tar.gz";
+    url = "https://downloads.xiph.org/releases/opus/opusfile-${finalAttrs.version}.tar.gz";
     sha256 = "02smwc5ah8nb3a67mnkjzqmrzk43j356hgj2a97s9midq40qd38i";
   };