diff --git a/pkgs/os-specific/linux/spl/default.nix b/pkgs/os-specific/linux/spl/default.nix
index 09cdcbf8a241..2db3a397aebe 100644
--- a/pkgs/os-specific/linux/spl/default.nix
+++ b/pkgs/os-specific/linux/spl/default.nix
@@ -17,13 +17,13 @@ assert buildKernel -> kernel != null;
 stdenv.mkDerivation rec {
   name = "spl-${configFile}-${version}${optionalString buildKernel "-${kernel.version}"}";
 
-  version = "0.6.5.5";
+  version = "0.6.5.6";
 
   src = fetchFromGitHub {
     owner = "zfsonlinux";
     repo = "spl";
     rev = "spl-${version}";
-    sha256 = "1f49qv648klg2sn1v1wzwd6ls1njjj0hrazz7msd74ayhwm0zcw7";
+    sha256 = "08lbfwsd368sk7dgydabzkyyn2l2n82ifcqakra3xknwgg1ka9bn";
   };
 
   patches = [ ./const.patch ./install_prefix.patch ];
diff --git a/pkgs/os-specific/linux/zfs/default.nix b/pkgs/os-specific/linux/zfs/default.nix
index d29a7560771e..9fc28996a834 100644
--- a/pkgs/os-specific/linux/zfs/default.nix
+++ b/pkgs/os-specific/linux/zfs/default.nix
@@ -20,13 +20,13 @@ assert buildKernel -> kernel != null && spl != null;
 stdenv.mkDerivation rec {
   name = "zfs-${configFile}-${version}${optionalString buildKernel "-${kernel.version}"}";
 
-  version = "0.6.5.5";
+  version = "0.6.5.6";
 
   src = fetchFromGitHub {
     owner = "zfsonlinux";
     repo = "zfs";
     rev = "zfs-${version}";
-    sha256 = "0np03p5zkx87a0a5rw629f9m4wp5gd01c1jkh5p7h63mmvaxfdda";
+    sha256 = "0lsb93y5zbwc8fafxzm9vyfpr6fmvl8h86ny4llbd2xy2hnfwk2i";
   };
 
   patches = [ ./nix-build.patch ];