diff --git a/pkgs/development/libraries/libunwind/default.nix b/pkgs/development/libraries/libunwind/default.nix
index 5c3670e2365c..aeed6975bda0 100644
--- a/pkgs/development/libraries/libunwind/default.nix
+++ b/pkgs/development/libraries/libunwind/default.nix
@@ -1,11 +1,11 @@
 {stdenv, fetchurl}:
 
 stdenv.mkDerivation rec {
-  name = "libunwind-1.0.1";
+  name = "libunwind-1.1";
   
   src = fetchurl {
     url = "mirror://savannah/libunwind/${name}.tar.gz";
-    sha256 = "aa95fd184c0b90d95891c2f3bac2c7df708ff016d2a6ee8b2eabb769f864101f";
+    sha256 = "16nhx2pahh9d62mvszc88q226q5lwjankij276fxwrm8wb50zzlx";
   };
   
   NIX_CFLAGS_COMPILE = if stdenv.system == "x86_64-linux" then "-fPIC" else "";