diff --git a/nixos/modules/tasks/filesystems/bcachefs.nix b/nixos/modules/tasks/filesystems/bcachefs.nix
index ac41ba5f93a4..e3ad52a7b056 100644
--- a/nixos/modules/tasks/filesystems/bcachefs.nix
+++ b/nixos/modules/tasks/filesystems/bcachefs.nix
@@ -42,7 +42,11 @@ in
 {
   config = mkIf (elem "bcachefs" config.boot.supportedFilesystems) (mkMerge [
     {
-      system.fsPackages = [ pkgs.bcachefs-tools ];
+      # We do not want to include bachefs in the fsPackages for systemd-initrd
+      # because we provide the unwrapped version of mount.bcachefs
+      # through the extraBin option, which will make it available for use.
+      system.fsPackages = lib.optional (!config.boot.initrd.systemd.enable) pkgs.bcachefs-tools;
+      environment.systemPackages = lib.optional (config.boot.initrd.systemd.enable) pkgs.bcachefs-tools;
 
       # use kernel package with bcachefs support until it's in mainline
       boot.kernelPackages = pkgs.linuxPackages_testing_bcachefs;
@@ -52,7 +56,14 @@ in
       # chacha20 and poly1305 are required only for decryption attempts
       boot.initrd.availableKernelModules = [ "bcachefs" "sha256" "chacha20" "poly1305" ];
 
-      boot.initrd.extraUtilsCommands = ''
+      boot.initrd.systemd.extraBin = {
+        "bcachefs" = "${pkgs.bcachefs-tools}/bin/bcachefs";
+        "mount.bcachefs" = pkgs.runCommand "mount.bcachefs" {} ''
+          cp -pdv ${pkgs.bcachefs-tools}/bin/.mount.bcachefs.sh-wrapped $out
+        '';
+      };
+
+      boot.initrd.extraUtilsCommands = lib.mkIf (!config.boot.initrd.systemd.enable) ''
         copy_bin_and_libs ${pkgs.bcachefs-tools}/bin/bcachefs
       '';
       boot.initrd.extraUtilsCommandsTest = ''
diff --git a/nixos/tests/installer.nix b/nixos/tests/installer.nix
index 398ad8de19cf..5f3f61632f07 100644
--- a/nixos/tests/installer.nix
+++ b/nixos/tests/installer.nix
@@ -465,8 +465,12 @@ let
     '';
     testSpecialisationConfig = true;
   };
-
-
+  # disable zfs so we can support latest kernel if needed
+  no-zfs-module = {
+    nixpkgs.overlays = [(final: super: {
+      zfs = super.zfs.overrideAttrs(_: {meta.platforms = [];});}
+    )];
+  };
 in {
 
   # !!! `parted mkpart' seems to silently create overlapping partitions.
@@ -714,6 +718,7 @@ in {
   bcachefsSimple = makeInstallerTest "bcachefs-simple" {
     extraInstallerConfig = {
       boot.supportedFilesystems = [ "bcachefs" ];
+      imports = [ no-zfs-module ];
     };
 
     createPartitions = ''
@@ -737,13 +742,22 @@ in {
   bcachefsEncrypted = makeInstallerTest "bcachefs-encrypted" {
     extraInstallerConfig = {
       boot.supportedFilesystems = [ "bcachefs" ];
+
+      # disable zfs so we can support latest kernel if needed
+      imports = [ no-zfs-module ];
+
       environment.systemPackages = with pkgs; [ keyutils ];
     };
 
-    # We don't want to use the normal way of unlocking bcachefs defined in tasks/filesystems/bcachefs.nix.
-    # So, override initrd.postDeviceCommands completely and simply unlock with the predefined password.
     extraConfig = ''
-      boot.initrd.postDeviceCommands = lib.mkForce "echo password | bcachefs unlock /dev/vda3";
+      boot.kernelParams = lib.mkAfter [ "console=tty0" ];
+    '';
+
+    enableOCR = true;
+    preBootCommands = ''
+      machine.start()
+      machine.wait_for_text("enter passphrase for ")
+      machine.send_chars("password\n")
     '';
 
     createPartitions = ''
@@ -769,6 +783,9 @@ in {
   bcachefsMulti = makeInstallerTest "bcachefs-multi" {
     extraInstallerConfig = {
       boot.supportedFilesystems = [ "bcachefs" ];
+
+      # disable zfs so we can support latest kernel if needed
+      imports = [ no-zfs-module ];
     };
 
     createPartitions = ''
diff --git a/pkgs/os-specific/linux/kernel/linux-testing-bcachefs.nix b/pkgs/os-specific/linux/kernel/linux-testing-bcachefs.nix
index a80642334f3c..8a6d1a89dc87 100644
--- a/pkgs/os-specific/linux/kernel/linux-testing-bcachefs.nix
+++ b/pkgs/os-specific/linux/kernel/linux-testing-bcachefs.nix
@@ -1,9 +1,10 @@
 { lib
 , fetchpatch
 , kernel
-, commitDate ? "2022-10-31"
-, currentCommit ? "77c27f28aa58e9d9037eb68c87d3283f68c371f7"
-, diffHash ? "sha256-TUpI9z0ac3rjn2oT5Z7oQXevDKbGwTVjyigS5/aGwgQ="
+, commitDate ? "2022-12-29"
+, currentCommit ? "8f064a4cb5c7cce289b83d7a459e6d8620188b37"
+, diffHash ? "sha256-RnlM7uOSWhFHG1aj5BOjrfRtoZfbx+tqQw1V49nW5vw="
+
 , kernelPatches # must always be defined in bcachefs' all-packages.nix entry because it's also a top-level attribute supplied by callPackage
 , argsOverride ? {}
 , ...
diff --git a/pkgs/tools/filesystems/bcachefs-tools/default.nix b/pkgs/tools/filesystems/bcachefs-tools/default.nix
index 4e52a1d9e567..30ffb2dd43f0 100644
--- a/pkgs/tools/filesystems/bcachefs-tools/default.nix
+++ b/pkgs/tools/filesystems/bcachefs-tools/default.nix
@@ -13,22 +13,25 @@
 , zstd
 , lz4
 , python3Packages
+, util-linux
 , udev
 , valgrind
 , nixosTests
+, makeWrapper
+, getopt
 , fuse3
 , fuseSupport ? false
 }:
 
 stdenv.mkDerivation {
   pname = "bcachefs-tools";
-  version = "unstable-2022-09-28";
+  version = "unstable-2022-12-29";
 
   src = fetchFromGitHub {
     owner = "koverstreet";
     repo = "bcachefs-tools";
-    rev = "99caca2c70f312c4a2504a7e7a9c92a91426d885";
-    sha256 = "sha256-9bFTBFkQq8SvhYa9K4+MH2zvKZviNaq0sFWoeGgch7g=";
+    rev = "42cf74fd1d0ef58927967e6236988e86cfc0d086";
+    sha256 = "sha256-N/1heStwmB7CzE/ddTud/ywnMdhq8ZkLju+x0UL0yjY=";
   };
 
   postPatch = ''
@@ -39,7 +42,9 @@ stdenv.mkDerivation {
                 "INITRAMFS_DIR=${placeholder "out"}/etc/initramfs-tools"
   '';
 
-  nativeBuildInputs = [ pkg-config docutils python3Packages.python ];
+  nativeBuildInputs = [
+    pkg-config docutils python3Packages.python makeWrapper
+  ];
 
   buildInputs = [
     libuuid libscrypt libsodium keyutils liburcu zlib libaio
@@ -54,6 +59,13 @@ stdenv.mkDerivation {
     rm tests/test_fuse.py
   '';
 
+  # this symlink is needed for mount -t bcachefs to work
+  postFixup = ''
+    ln -s $out/bin/mount.bcachefs.sh $out/bin/mount.bcachefs
+    wrapProgram $out/bin/mount.bcachefs.sh \
+      --prefix PATH : ${lib.makeBinPath [ getopt util-linux ]}
+  '';
+
   installFlags = [ "PREFIX=${placeholder "out"}" ];
 
   passthru.tests = {
diff --git a/pkgs/top-level/linux-kernels.nix b/pkgs/top-level/linux-kernels.nix
index d6c9bd3ceeae..c8791a4ba005 100644
--- a/pkgs/top-level/linux-kernels.nix
+++ b/pkgs/top-level/linux-kernels.nix
@@ -184,7 +184,7 @@ in {
        else testing;
 
     linux_testing_bcachefs = callPackage ../os-specific/linux/kernel/linux-testing-bcachefs.nix rec {
-      kernel = linux_6_0;
+      kernel = linux_6_1;
       kernelPatches = kernel.kernelPatches;
    };