diff --git a/pkgs/development/libraries/speex/default.nix b/pkgs/development/libraries/speex/default.nix
index 173b460a0ab2..1321a558d5ed 100644
--- a/pkgs/development/libraries/speex/default.nix
+++ b/pkgs/development/libraries/speex/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, autoreconfHook, pkgconfig, fftw, speexdsp }:
 
 stdenv.mkDerivation rec {
-  name = "speex-1.2rc2";
+  name = "speex-1.2.0";
 
   src = fetchurl {
     url = "http://downloads.us.xiph.org/releases/speex/${name}.tar.gz";
-    sha256 = "14g8ph39inkrif749lzjm089g7kwk0hymq1a3i9ch5gz8xr7r8na";
+    sha256 = "150047wnllz4r94whb9r73l5qf0z5z3rlhy98bawfbblmkq8mbpa";
   };
 
   postPatch = ''