1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/development/libraries/libc++/default.nix b/pkgs/development/libraries/libc++/default.nix
index 70da4462486d..2268801bad5b 100644
--- a/pkgs/development/libraries/libc++/default.nix
+++ b/pkgs/development/libraries/libc++/default.nix
@@ -1,14 +1,14 @@
 { stdenv, fetchurl, fetchsvn, cmake, libcxxabi, python }:
 
 let
-  version = "3.4";
+  version = "3.4.2";
 
 in stdenv.mkDerivation rec {
   name = "libc++-${version}";
 
   src = fetchurl {
     url = "http://llvm.org/releases/${version}/libcxx-${version}.src.tar.gz";
-    sha256 = "1sqd5qhqj7qnn9zjxx9bv7ky4f7xgmh9sbgd53y1kszhg41217xx";
+    sha256 = "0z3jdvgcq995khkpis5c5vaxhbmvbqjlalbhn09k6pgb5zp46rc2";
   };
 
   buildInputs = [ cmake libcxxabi python ];