diff --git a/pkgs/applications/virtualization/OVMF/default.nix b/pkgs/applications/virtualization/OVMF/default.nix
index 54d697d4275..c42a8d0481d 100644
--- a/pkgs/applications/virtualization/OVMF/default.nix
+++ b/pkgs/applications/virtualization/OVMF/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, edk2 }:
+{ stdenv, edk2, nasm, iasl }:
 
 let
 
@@ -12,8 +12,9 @@ let
 in
 
 stdenv.mkDerivation (edk2.setup "OvmfPkg/OvmfPkg${targetArch}.dsc" {
-  name = "OVMF-2014-02-01";
+  name = "OVMF-2014-12-10";
 
+  buildInputs = [nasm iasl];
   unpackPhase = ''
     for file in \
       "${edk2.src}"/{OvmfPkg,UefiCpuPkg,MdeModulePkg,IntelFrameworkModulePkg,PcAtChipsetPkg,FatBinPkg,EdkShellBinPkg,MdePkg,ShellPkg,OptionRomPkg,IntelFrameworkPkg};
diff --git a/pkgs/development/compilers/edk2/default.nix b/pkgs/development/compilers/edk2/default.nix
index 9787d0da929..acb2dea191a 100644
--- a/pkgs/development/compilers/edk2/default.nix
+++ b/pkgs/development/compilers/edk2/default.nix
@@ -10,12 +10,12 @@ else
   throw "Unsupported architecture";
 
 edk2 = stdenv.mkDerivation {
-  name = "edk2-2014-02-01";
+  name = "edk2-2014-12-10";
   
   src = fetchgit {
     url = git://github.com/tianocore/edk2;
-    rev = "2818c158de6a164d012e6afb0fc145656aed4e4b";
-    sha256 = "a756b5de3a3e71d82ce1de8c7832bc69d2affb98d704894b26540571f9f5e214";
+    rev = "684a565a04";
+    sha256 = "1l46396f48v91z5b8lh3b0f0lcd7z5f86i1nrpc7l5gf7gx3117j";
   };
 
   buildInputs = [ libuuid pythonFull ];