diff --git a/pkgs/development/libraries/libtheora/default.nix b/pkgs/development/libraries/libtheora/default.nix
index f0c637d0f239..2a6f2254c14f 100644
--- a/pkgs/development/libraries/libtheora/default.nix
+++ b/pkgs/development/libraries/libtheora/default.nix
@@ -1,10 +1,10 @@
 {stdenv, fetchurl, libogg, libvorbis}:
 
 stdenv.mkDerivation {
-  name = "libtheora-1.0alpha7";
+  name = "libtheora-1.0beta2";
   src = fetchurl {
-    url = http://downloads.xiph.org/releases/theora/libtheora-1.0alpha7.tar.bz2;
-    md5 = "1bc851e39e4b16977131d5e5f769f48b";
+    url = http://downloads.xiph.org/releases/theora/libtheora-1.0beta2.tar.gz;
+    sha256 = "0iwwprpi4s9y37c5yvlb572wd5gb2s635pxrkz5589266g1j1dcg";
   };
   propagatedBuildInputs = [libogg libvorbis];
 }