diff --git a/flake.lock b/flake.lock
index 8fabb62..f6a100e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -104,11 +104,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1789183968,
-        "narHash": "sha256-pEWnYdIF1pBMZwarp/rEPzl+Lknhm5hhjSfeLxH8nAA=",
+        "lastModified": 1789867870,
+        "narHash": "sha256-sOag/7DTqw4tXLI7UxjrZxPGV+dlTe6zFtJn0VSkgFM=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "cd1c9e552f41894aeb5cc5cb353d5a1d61550357",
+        "rev": "d2a22a3659a6ae99847ea9176114f6957b8ac62e",
         "type": "github"
       },
       "original": {
@@ -124,11 +124,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1789182507,
-        "narHash": "sha256-9nt4W0HNNP84B+b37yRs9Zxat1ZR5guJxEZDEjAgex4=",
+        "lastModified": 1789267039,
+        "narHash": "sha256-LWiBv9yAYFi2LPbUhDGHPGKYskJQjj2fw12OlyO1uQo=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "b1d1b60084970f9d1e2b72662639dab6d039be71",
+        "rev": "ec172013fa62135f58fb58dd17ae9651e8f39727",
         "type": "github"
       },
       "original": {
@@ -186,11 +186,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1789150899,
-        "narHash": "sha256-uTHtIAZMi16LmPWB2wEdOuulMSbDzXAIoTe2lB6AMJQ=",
+        "lastModified": 1789812925,
+        "narHash": "sha256-ati+6WR/2xqs+Uo2gpNMpDT3HGEz1uug8cy6G5eskoM=",
         "owner": "Jovian-Experiments",
         "repo": "Jovian-NixOS",
-        "rev": "1d3ea3cb0aa757316468105748f514fdb92b669d",
+        "rev": "1326ae15f4464415eda4bc87e1409b3953c7f2bd",
         "type": "github"
       },
       "original": {
@@ -209,11 +209,11 @@
         "rust-overlay": "rust-overlay"
       },
       "locked": {
-        "lastModified": 1788769372,
-        "narHash": "sha256-VkqjGPfG3aQGv+cgS/VbwNIR7yiXoLcUJih/tAdLv50=",
+        "lastModified": 1789586975,
+        "narHash": "sha256-N5qhvQXNFluy1sFvcVhIEvwm5QeCxFrpZHw/pwE+szU=",
         "owner": "nix-community",
         "repo": "lanzaboote",
-        "rev": "03bc477f555adfe314af48ec0d3554f10d3390d8",
+        "rev": "8a34c6af53de5d0de742f35b5d764db93b53c5df",
         "type": "github"
       },
       "original": {
@@ -231,11 +231,11 @@
         "spectrum": "spectrum"
       },
       "locked": {
-        "lastModified": 1789082121,
-        "narHash": "sha256-AS7YiRfU//W5a/+kHOWRrMI0mLuHQ9OQTVNfT6rUff4=",
+        "lastModified": 1789506833,
+        "narHash": "sha256-4L8SOCF84de1irB72Ka9VHcu9wrAJ9Amuey4lU9oh4Y=",
         "owner": "microvm-nix",
         "repo": "microvm.nix",
-        "rev": "1b99da49e9d1c8f15fd4911f7b8d2c4375758dcd",
+        "rev": "187b0a390ee054028106a674e7b01b1cb940cbba",
         "type": "github"
       },
       "original": {
@@ -271,11 +271,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1789127271,
-        "narHash": "sha256-vL/Fpo7Zxa7wvO8V5FAToUBvP+K3XsMB1wUglTtd/J0=",
+        "lastModified": 1789752250,
+        "narHash": "sha256-q0J27mJDfd4BM9a7KcMVbcRmqyU+goQwudbMIu66qsg=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "24cfdc1f9344b90a1eee329a3906e2f39f4d0f1e",
+        "rev": "b2d7d02644f0002535a3bb51a73780945cdc7ba4",
         "type": "github"
       },
       "original": {
@@ -303,11 +303,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1789006805,
-        "narHash": "sha256-xB8mKMOx1IA9vTDNLmJZ6n4wCMq/cuWBBOzGCRnqxrU=",
+        "lastModified": 1789785513,
+        "narHash": "sha256-B44WL6h0XoLjJ41bUPJk0X5SDinLCII//6EcBLXKiJ0=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "8ce4ef6cb6f871616146b9fe26d2a5ae594e94fe",
+        "rev": "20b1ddd1aa5ace70c9468305030aa4f9ef79671b",
         "type": "github"
       },
       "original": {
@@ -319,11 +319,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1767892417,
-        "narHash": "sha256-8bW3q88CEg2u4hSP66Vf4lpbLonHz7hqDNBMcCY7E9U=",
-        "rev": "3497aa5c9457a9d88d71fa93a4a8368816fbeeba",
+        "lastModified": 1789546076,
+        "narHash": "sha256-vWkSk5bbfTqdtMoSgD9FshACO8JCvXTFi+3cqEp0mH0=",
+        "rev": "b1b875982b17dabde9b4a37f3e229e74913e6db3",
         "type": "tarball",
-        "url": "https://releases.nixos.org/nixos/unstable/nixos-26.05pre924538.3497aa5c9457/nixexprs.tar.xz"
+        "url": "https://releases.nixos.org/nixos/unstable/nixos-26.11pre1074753.b1b875982b17/nixexprs.tar.xz"
       },
       "original": {
         "type": "tarball",
@@ -332,11 +332,11 @@
     },
     "nixpkgs_3": {
       "locked": {
-        "lastModified": 1789114715,
-        "narHash": "sha256-ugpsyk3NM2s87vXfUiIIiibbJ4Pp0JPS5p/3mfs+q+c=",
+        "lastModified": 1789885152,
+        "narHash": "sha256-mDNo95riUw8k0MA2Btzj/OuiMcfLKofqIliLYsLbrSY=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "21a67dc470149f337cecafbe965d8d252a390518",
+        "rev": "6d663c0533ff269008fb84e45930151e37c99db9",
         "type": "github"
       },
       "original": {
@@ -400,11 +400,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1788267358,
-        "narHash": "sha256-nt+lUqYVpc9Y6JeMd2WmXzCDojasdadKo0mWcluvY2Y=",
+        "lastModified": 1789514889,
+        "narHash": "sha256-PFD1nxptCXJyJoiYO1gf/5Vv43yqGpHtMC6LUhl9/pQ=",
         "owner": "cachix",
         "repo": "git-hooks.nix",
-        "rev": "27555e2624241fb116b49095df4caaee85a25691",
+        "rev": "59f4ca0d063a1a3ec722c88b51a33004862e5379",
         "type": "github"
       },
       "original": {
@@ -436,11 +436,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1788678114,
-        "narHash": "sha256-pcqbpV4ZI79al6KAlr+WJjaEo/PYfgctRlG43D5BSJM=",
+        "lastModified": 1789543870,
+        "narHash": "sha256-45ikFmtfgBZgMePIm4GevJ9VjDSWO3PGQgOuuwHDpes=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "4748ec2f5ed4a881474ed4c98aa71a5308cdac8d",
+        "rev": "35ca0490d13a3d38c4602d0eb9600a30fa63a367",
         "type": "github"
       },
       "original": {
@@ -452,11 +452,11 @@
     "spectrum": {
       "flake": false,
       "locked": {
-        "lastModified": 1785761586,
-        "narHash": "sha256-MWOMVqJJERwjQGgRIv8d6rlEBqbLM3VZWxHkNKIIZNw=",
+        "lastModified": 1786032750,
+        "narHash": "sha256-+Ba/kIn5BjvV7PN8bWOo7RoqgTY/Yv2M7qeMf3wS2Ag=",
         "ref": "refs/heads/main",
-        "rev": "a7762d6f54b40560dd5255ce902e6e6a5d980fe9",
-        "revCount": 1416,
+        "rev": "77d2389874bb092b8dbf05ecc5b1030372e80e98",
+        "revCount": 1417,
         "type": "git",
         "url": "https://spectrum-os.org/git/spectrum"
       },
diff --git a/hosts/desktop/hardware-configuration.nix b/hosts/desktop/hardware-configuration.nix
index 5f9ddbc..c19fd70 100644
--- a/hosts/desktop/hardware-configuration.nix
+++ b/hosts/desktop/hardware-configuration.nix
@@ -64,7 +64,7 @@
       bak = {
         onCalendar = "daily";
         settings = {
-          #stream_buffer = "256m";
+          stream_buffer = "256m";
           stream_compress = "no";
           incremental = "yes";
           snapshot_create = "no";
diff --git a/hosts/lifebook/hardware-configuration.nix b/hosts/lifebook/hardware-configuration.nix
index c2f9e0c..18c7c87 100644
--- a/hosts/lifebook/hardware-configuration.nix
+++ b/hosts/lifebook/hardware-configuration.nix
@@ -86,8 +86,8 @@
         bak = {
           onCalendar = "daily";
           settings = {
-            #stream_buffer = "256m";
-            stream_compress = "no";
+            stream_buffer = "256m";
+            stream_compress = "lz4";
             incremental = "yes";
             snapshot_create = "no";
             snapshot_dir = "@snapshots";