diff --git a/pkgs/os-specific/linux/zfs/default.nix b/pkgs/os-specific/linux/zfs/default.nix
index aac1576261d4..bf02044a8c45 100644
--- a/pkgs/os-specific/linux/zfs/default.nix
+++ b/pkgs/os-specific/linux/zfs/default.nix
@@ -161,21 +161,21 @@ in {
     inherit spl;
   };
 
-  zfsUnstable = common {
+  zfsUnstable = common rec {
     # comment/uncomment if breaking kernel versions are known
     incompatibleKernelVersion = null;
 
     # this package should point to a version / git revision compatible with the latest kernel release
-    version = "2018-02-02";
+    version = "2018-04-04";
 
-    rev = "fbd42542686af053f0d162ec4630ffd4fff1cc30";
-    sha256 = "0qzkwnnk7kz1hwvcaqlpzi5yspfhhmd2alklc07k056ddzbx52qb";
+    rev = "1724eb62debfaa48f5861660615d49a994945d94";
+    sha256 = "1adnmpn7b8zi5rq9r71flwx237vbysss1wywbck8407mcnrfaxzf";
     isUnstable = true;
 
     extraPatches = [
       (fetchpatch {
-        url = "https://github.com/Mic92/zfs/compare/fbd42542686af053f0d162ec4630ffd4fff1cc30...nixos-zfs-2018-02-02.patch";
-        sha256 = "05wqwjm9648x60vkwxbp8l6z1q73r2a5l2ni28i2f4pla8s3ahln";
+        url = "https://github.com/Mic92/zfs/compare/${rev}...nixos-zfs-2018-02-02.patch";
+        sha256 = "1gqmgqi39qhk5kbbvidh8f2xqq25vj58i9x0wjqvcx6a71qj49ch";
       })
     ];