diff --git a/pkgs/development/libraries/libopus/default.nix b/pkgs/development/libraries/libopus/default.nix
index 328c5db0b65c..756def8ad904 100644
--- a/pkgs/development/libraries/libopus/default.nix
+++ b/pkgs/development/libraries/libopus/default.nix
@@ -2,14 +2,14 @@
 , fixedPoint ? false, withCustomModes ? true }:
 
 let
-  version = "1.1.5";
+  version = "1.2";
 in
 stdenv.mkDerivation rec {
   name = "libopus-${version}";
 
   src = fetchurl {
-    url = "http://downloads.xiph.org/releases/opus/opus-${version}.tar.gz";
-    sha256 = "1r33nm7b052dw7gsc99809df1zmj5icfiljqbrfkw2pll0f9i17b";
+    url = "https://archive.mozilla.org/pub/opus/opus-${version}.tar.gz";
+    sha256 = "1ad9q2g9vivx409jdsslv1hrh5r616qz2pjm96y8ymsigfl4bnvp";
   };
 
   outputs = [ "out" "dev" ];