diff --git a/pkgs/os-specific/linux/zfs/default.nix b/pkgs/os-specific/linux/zfs/default.nix
index 845593e2665..adfd0cda819 100644
--- a/pkgs/os-specific/linux/zfs/default.nix
+++ b/pkgs/os-specific/linux/zfs/default.nix
@@ -210,9 +210,9 @@ in {
     kernelCompatible = kernel.kernelAtLeast "3.10" && kernel.kernelOlder "5.12";
 
     # this package should point to a version / git revision compatible with the latest kernel release
-    version = "2.1.0-rc3";
+    version = "2.1.0-rc4";
 
-    sha256 = "sha256-ARRUuyu07dWwEuXerTz9KBmclhlmsnnGucfBxxn0Zsw=";
+    sha256 = "sha256-eakOEA7LCJOYDsZH24Y5JbEd2wh1KfCN+qX3QxQZ4e8=";
 
     isUnstable = true;
   };