diff --git a/pkgs/os-specific/linux/mba6x_bl/default.nix b/pkgs/os-specific/linux/mba6x_bl/default.nix
index 04a89ad038dd..3add5eb227f5 100644
--- a/pkgs/os-specific/linux/mba6x_bl/default.nix
+++ b/pkgs/os-specific/linux/mba6x_bl/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation {
   pname = "mba6x_bl";
-  version = "unstable-2016-12-08";
+  version = "unstable-2017-12-30";
 
   src = fetchFromGitHub {
     owner = "patjak";
     repo = "mba6x_bl";
-    rev = "b96aafd30c18200b4ad1f6eb995bc19200f60c47";
-    sha256 = "10payvfxahazdxisch4wm29fhl8y07ki72q4c78sl4rn73sj6yjq";
+    rev = "639719f516b664051929c2c0c1140ea4bf30ce81";
+    sha256 = "sha256-QwxBpNa5FitKO+2ne54IIcRgwVYeNSQWI4f2hPPB8ls=";
   };
 
   enableParallelBuilding = true;