diff --git a/.github/workflows/build-machines-and-homes.yml b/.github/workflows/build-machines-and-homes.yml
index 4e45c05..dbbb834 100644
--- a/.github/workflows/build-machines-and-homes.yml
+++ b/.github/workflows/build-machines-and-homes.yml
@@ -133,4 +133,4 @@ jobs:
           package=".#homeConfigurations."${{ matrix.home }}".activationPackage"
           derivation="$(nix path-info --derivation "$package")"
           cache="$(nix-store --query --requisites --include-outputs "$derivation")"
-          xargs attic push main <<< "$cache"
+          attic push main --stdin <<< "$cache"
diff --git a/flake.lock b/flake.lock
index 820f3c3..4fc02fb 100644
--- a/flake.lock
+++ b/flake.lock
@@ -361,11 +361,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1742243551,
-        "narHash": "sha256-hp2tKtJHW/vbiIT4hRhP8cfZEACAWZ92lCdaO9WEi2E=",
+        "lastModified": 1741360584,
+        "narHash": "sha256-5UkuvKllBRhU943imyc0jHDXQDVhIFx5WWUr3qrLEWQ=",
         "owner": "deuxfleurs-org",
         "repo": "garage",
-        "rev": "6906a4ff12838da2a74bdaeb7e7cd05cd1d69699",
+        "rev": "c96be1a9a8aa3b51075678888b80c2414ead2909",
         "type": "github"
       },
       "original": {
@@ -455,11 +455,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1742246081,
-        "narHash": "sha256-1e4oFbtdOOb6NqauHevWWjEUXZnfZ6RUAJJjn9i4YBc=",
+        "lastModified": 1741955947,
+        "narHash": "sha256-2lbURKclgKqBNm7hVRtWh0A7NrdsibD0EaWhahUVhhY=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "c657142e24a43ea1035889f0b0a7c24598e0e18a",
+        "rev": "4e12151c9e014e2449e0beca2c0e9534b96a26b4",
         "type": "github"
       },
       "original": {
@@ -576,11 +576,11 @@
         "pre-commit-hooks": "pre-commit-hooks"
       },
       "locked": {
-        "lastModified": 1742262179,
-        "narHash": "sha256-bmywICXzaly0Q9orrv8ADTAPyNrzjzPX52Dk5I2omd4=",
+        "lastModified": 1742165831,
+        "narHash": "sha256-/ssmsf50UERQNlOcUuyfvigcnCNckAhAPZMo0+Y3mdY=",
         "ref": "refs/heads/main",
-        "rev": "5243a6f8b4d5936ffdf2b5b44451e5949a73da06",
-        "revCount": 17681,
+        "rev": "2a336813ad2a4d64d027830507276da32927d215",
+        "revCount": 17664,
         "type": "git",
         "url": "https://git.lix.systems/lix-project/lix"
       },
@@ -874,11 +874,11 @@
     },
     "nixpkgs_4": {
       "locked": {
-        "lastModified": 1742230170,
-        "narHash": "sha256-BEny83HblVcCGgSG3NHljafuWQE6+yP8XNUIydsIyoA=",
+        "lastModified": 1742188618,
+        "narHash": "sha256-5++gjk41YkGulHQ8CflcHxEg5nxb2PJYQl51wF+JDXc=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "0f80da4f5e0dbe1f917f6f3643a262bae7dbb34e",
+        "rev": "c4929d0eb17ec2ddb04a5eb6bdcd57dffa065acd",
         "type": "github"
       },
       "original": {
@@ -899,11 +899,11 @@
         "nuschtosSearch": "nuschtosSearch"
       },
       "locked": {
-        "lastModified": 1742255305,
-        "narHash": "sha256-XxygfriVXQt+5Iqh6AOjZL5Aes5dH2xzVKpHpL8pDQg=",
+        "lastModified": 1741814789,
+        "narHash": "sha256-NbHsnnNwiYUcUaS4z8XK2tYpo3G8NXEKxaKkzMgMiLk=",
         "owner": "nix-community",
         "repo": "nixvim",
-        "rev": "78f6166c23f80bdfbcc8c44b20f7f4132299a33f",
+        "rev": "33097dcf776d1fad0ff3842096c4e3546312f251",
         "type": "github"
       },
       "original": {
@@ -1097,11 +1097,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1742239755,
-        "narHash": "sha256-ptn8dR4Uat3UUadGYNnB7CIH9SQm8mK69D2A/twBUXQ=",
+        "lastModified": 1742209060,
+        "narHash": "sha256-47/1bOPBGhmAegF06nxLN15d/MClCAkk8s/+WOhJJAM=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "787afce414bcce803b605c510b60bf43c11f4b55",
+        "rev": "b33837ae3cfa012b65810891bebbee71fa4c0658",
         "type": "github"
       },
       "original": {
@@ -1170,11 +1170,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1742262692,
-        "narHash": "sha256-kCuy1Fld1vFmor6SZ48DdtiLv9/zUhW8lCaTA+Py+es=",
+        "lastModified": 1742176409,
+        "narHash": "sha256-jaTi5Tn5EIvYxThnNs4lFXWROCh8ihgSeORZ9Z1EClc=",
         "owner": "nix-community",
         "repo": "nix-vscode-extensions",
-        "rev": "32de9a383db6b555ac92877dd8b5b986f4151de7",
+        "rev": "002ff77f2ab6417997c5e33883c754f8b23dc11d",
         "type": "github"
       },
       "original": {
diff --git a/overlay/attic/default.nix b/overlay/attic/default.nix
index 4189737..14f5daf 100644
--- a/overlay/attic/default.nix
+++ b/overlay/attic/default.nix
@@ -1,7 +1,7 @@
 final: prev: {
   attic-server = prev.attic-server.overrideAttrs {
     patches = [
-      ./prefetch-N-chunks.patch
+      ./prefetch-32-chunks.patch
     ];
   };
 }