diff --git a/pkgs/os-specific/linux/zfs/unstable.nix b/pkgs/os-specific/linux/zfs/unstable.nix
index 832eb66c02e5274..f3aa61eddf5d9e0 100644
--- a/pkgs/os-specific/linux/zfs/unstable.nix
+++ b/pkgs/os-specific/linux/zfs/unstable.nix
@@ -12,18 +12,19 @@ in
 callPackage ./generic.nix args {
   # check the release notes for compatible kernels
   kernelCompatible = if stdenv'.isx86_64 || removeLinuxDRM
-    then kernel.kernelOlder "6.4"
+    then kernel.kernelOlder "6.5"
     else kernel.kernelOlder "6.2";
 
-  latestCompatibleLinuxPackages = linuxKernel.packages.linux_6_1;
+  latestCompatibleLinuxPackages = linuxKernel.packages.linux_6_4;
 
   # this package should point to a version / git revision compatible with the latest kernel release
   # IMPORTANT: Always use a tagged release candidate or commits from the
   # zfs-<version>-staging branch, because this is tested by the OpenZFS
   # maintainers.
-  version = "2.1.12";
+  version = "2.1.13-unstable-2023-07-26";
+  rev = "1abf68b7aea298d6335d64e2e2bcf24681c84a9e";
 
-  sha256 = "eYUR5d4gpTrlFu6j1uL83DWL9uPGgAUDRdSEb73V5i4=";
+  sha256 = "o73OZv9liDJPTED4uAYEn6TG2Ek+74sqVuT7oGL8Rms=";
 
   isUnstable = true;
 }