diff --git a/hosts/i001/flake.lock b/hosts/i001/flake.lock
index 7aebd50f..1cdbc191 100644
--- a/hosts/i001/flake.lock
+++ b/hosts/i001/flake.lock
@@ -3,11 +3,11 @@
     "common": {
       "locked": {
         "dir": "flakes/common",
-        "lastModified": 1765746440,
-        "narHash": "sha256-neLhMrA1aHl1OuPvDAyB3dkycam85UF9WmV/LB1UNEw=",
+        "lastModified": 1765991726,
+        "narHash": "sha256-oblFg2soKB7yi9DDXbzWKn8tnA1aoojKrA3+aVx+wb0=",
         "ref": "refs/heads/master",
-        "rev": "eb0c38f508bfe5bd11d186b3aadbe32ec8df19fe",
-        "revCount": 898,
+        "rev": "75b37cc9ec2014dd8dea941bb3faf9c0b665c6d0",
+        "revCount": 941,
         "type": "git",
         "url": "https://git.joshuabell.xyz/ringofstorms/dotfiles"
       },
@@ -23,11 +23,11 @@
       },
       "locked": {
         "dir": "flakes/de_plasma",
-        "lastModified": 1765746440,
-        "narHash": "sha256-neLhMrA1aHl1OuPvDAyB3dkycam85UF9WmV/LB1UNEw=",
+        "lastModified": 1765991726,
+        "narHash": "sha256-oblFg2soKB7yi9DDXbzWKn8tnA1aoojKrA3+aVx+wb0=",
         "ref": "refs/heads/master",
-        "rev": "eb0c38f508bfe5bd11d186b3aadbe32ec8df19fe",
-        "revCount": 898,
+        "rev": "75b37cc9ec2014dd8dea941bb3faf9c0b665c6d0",
+        "revCount": 941,
         "type": "git",
         "url": "https://git.joshuabell.xyz/ringofstorms/dotfiles"
       },
@@ -64,11 +64,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1765605144,
-        "narHash": "sha256-RM2xs+1HdHxesjOelxoA3eSvXShC8pmBvtyTke4Ango=",
+        "lastModified": 1765979862,
+        "narHash": "sha256-/r9/1KamvbHJx6I40H4HsSXnEcBAkj46ZwibhBx9kg0=",
         "owner": "rycee",
         "repo": "home-manager",
-        "rev": "90b62096f099b73043a747348c11dbfcfbdea949",
+        "rev": "d3135ab747fd9dac250ffb90b4a7e80634eacbe9",
         "type": "github"
       },
       "original": {
@@ -78,6 +78,21 @@
         "type": "github"
       }
     },
+    "impermanence": {
+      "locked": {
+        "lastModified": 1737831083,
+        "narHash": "sha256-LJggUHbpyeDvNagTUrdhe/pRVp4pnS6wVKALS782gRI=",
+        "owner": "nix-community",
+        "repo": "impermanence",
+        "rev": "4b3e914cdf97a5b536a889e939fb2fd2b043a170",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "impermanence",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1756542300,
@@ -96,11 +111,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1764983851,
-        "narHash": "sha256-y7RPKl/jJ/KAP/VKLMghMgXTlvNIJMHKskl8/Uuar7o=",
+        "lastModified": 1765762245,
+        "narHash": "sha256-3iXM/zTqEskWtmZs3gqNiVtRTsEjYAedIaLL0mSBsrk=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "d9bc5c7dceb30d8d6fafa10aeb6aa8a48c218454",
+        "rev": "c8cfcd6ccd422e41cc631a0b73ed4d5a925c393d",
         "type": "github"
       },
       "original": {
@@ -112,11 +127,11 @@
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1765608474,
-        "narHash": "sha256-9Wx53UK0z8Di5iesJID0tS1dRKwGxI4i7tsSanOHhF0=",
+        "lastModified": 1765838191,
+        "narHash": "sha256-m5KWt1nOm76ILk/JSCxBM4MfK3rYY7Wq9/TZIIeGnT8=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "28bb483c11a1214a73f9fd2d9928a6e2ea86ec71",
+        "rev": "c6f52ebd45e5925c188d1a20119978aa4ffd5ef6",
         "type": "github"
       },
       "original": {
@@ -1024,28 +1039,13 @@
         "type": "github"
       }
     },
-    "preservation": {
-      "locked": {
-        "lastModified": 1757436102,
-        "narHash": "sha256-mMI9IanU+Xw+pVogD2oT0I2kTmvz2Un/Apc5+CwUpEY=",
-        "owner": "nix-community",
-        "repo": "preservation",
-        "rev": "93416f4614ad2dfed5b0dcf12f27e57d27a5ab11",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "preservation",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
         "common": "common",
         "de_plasma": "de_plasma",
         "home-manager": "home-manager_2",
+        "impermanence": "impermanence",
         "nixpkgs": "nixpkgs_3",
-        "preservation": "preservation",
         "ros_neovim": "ros_neovim"
       }
     },
diff --git a/hosts/i001/flake.nix b/hosts/i001/flake.nix
index 320bd51d..d9149723 100644
--- a/hosts/i001/flake.nix
+++ b/hosts/i001/flake.nix
@@ -10,8 +10,8 @@
 
     ros_neovim.url = "git+https://git.joshuabell.xyz/ringofstorms/nvim";
 
-    # impermanence.url = "github:nix-community/impermanence";
-    preservation.url = "github:nix-community/preservation";
+    impermanence.url = "github:nix-community/impermanence";
+    # preservation.url = "github:nix-community/preservation";
   };
 
   outputs =
@@ -35,8 +35,8 @@
               inherit inputs;
             };
             modules = [
-              # inputs.impermanence.nixosModules.impermanence
-              inputs.preservation.nixosModules.preservation
+              inputs.impermanence.nixosModules.impermanence
+              # inputs.preservation.nixosModules.preservation
               inputs.home-manager.nixosModules.default
 
               inputs.ros_neovim.nixosModules.default
@@ -67,8 +67,8 @@
 
               ./hardware-configuration.nix
               ./hardware-mounts.nix
-              # ./impermanence.nix
-              ./preservation.nix
+              ./impermanence.nix
+              # ./preservation.nix
               (
                 {
                   config,
diff --git a/hosts/i001/hardware-mounts.nix b/hosts/i001/hardware-mounts.nix
index 12cd1423..242debc7 100644
--- a/hosts/i001/hardware-mounts.nix
+++ b/hosts/i001/hardware-mounts.nix
@@ -62,6 +62,7 @@ lib.mkMerge [
         "X-mount.mkdir"
         "X-mount.subdir=@persist"
       ];
+      neededForBoot = true; # NOTE for impermanence only
     };
   }
   # SWAP (optional)
@@ -109,6 +110,18 @@ lib.mkMerge [
       # };
     }
   )
+  {
+    # Impermanence fix
+    boot.initrd.systemd.services.create-needed-for-boot-dirs = {
+      after = [
+        "unlock-bcachefs-custom.service"
+      ];
+      requires = [
+        "unlock-bcachefs-custom.service"
+      ];
+      serviceConfig.KeyringMode = "shared";
+    };
+  }
   # Bcachefs auto decryption
   {
     boot.supportedFilesystems = [
@@ -135,10 +148,12 @@ lib.mkMerge [
 
       # Make this part of the root-fs chain, not just initrd.target
       wantedBy = [
+        "persist.mount"
         "sysroot.mount"
         "initrd-root-fs.target"
       ];
       before = [
+        "persist.mount"
         "sysroot.mount"
         "initrd-root-fs.target"
       ];