diff --git a/pkgs/applications/virtualization/virtualbox/default.nix b/pkgs/applications/virtualization/virtualbox/default.nix
index a8594c4ba169..01943908cdd3 100644
--- a/pkgs/applications/virtualization/virtualbox/default.nix
+++ b/pkgs/applications/virtualization/virtualbox/default.nix
@@ -10,7 +10,7 @@ with stdenv.lib;
 
 let
 
-  version = "4.2.2";
+  version = "4.2.4";
 
   forEachModule = action: ''
     for mod in \
@@ -34,7 +34,7 @@ in stdenv.mkDerivation {
 
   src = fetchurl {
     url = "http://download.virtualbox.org/virtualbox/${version}/VirtualBox-${version}.tar.bz2";
-    sha256 = "943daa13694605d5d0a23ffef27c398b5e72ada669de89bad4b98f000f029700";
+    sha256 = "a7c607523c1c10b7b978ab39a92bb646517316548aa4a1a74b6e434ac2bf0adc";
   };
 
   buildInputs =
diff --git a/pkgs/applications/virtualization/virtualbox/guest-additions/default.nix b/pkgs/applications/virtualization/virtualbox/guest-additions/default.nix
index d78f0d7a2a84..219f8531787d 100644
--- a/pkgs/applications/virtualization/virtualbox/guest-additions/default.nix
+++ b/pkgs/applications/virtualization/virtualbox/guest-additions/default.nix
@@ -1,14 +1,14 @@
 { stdenv, fetchurl, lib, patchelf, cdrkit, kernel, which, makeWrapper
 , libX11, libXt, libXext, libXmu, libXcomposite, libXfixes, libXrandr, libXcursor}:
 
-let version = "4.2.2"; in
+let version = "4.2.4"; in
 
 stdenv.mkDerivation {
   name = "VirtualBox-GuestAdditions-${version}-${kernel.version}";
 
   src = fetchurl {
     url = "http://download.virtualbox.org/virtualbox/${version}/VBoxGuestAdditions_${version}.iso";
-    sha256 = "26f5390b36a3bb9855846d194dcd287b8e53613b599c6ffd7aff1b451cc7f1f1";
+    sha256 = "3d7d909a0fe9ac5ffcca6afdd4142b88bad116d2ffed6e95588dbfbcf00ca5e9";
   };
 
   KERN_DIR = "${kernel}/lib/modules/*/build";