diff --git a/flake.lock b/flake.lock
index ffb1e38..e2e00a3 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,12 +1,33 @@
 {
   "nodes": {
-    "home-manager": {
+    "ep3-bs": {
       "inputs": {
         "nixpkgs": [
           "nixpkgs"
         ],
         "utils": "utils"
       },
+      "locked": {
+        "lastModified": 1680018258,
+        "narHash": "sha256-QU9mv1ibcdobdI4xN/cFb5XVTMg5WRghomlQPnBy8oc=",
+        "ref": "refs/heads/master",
+        "rev": "fe6a37ccf5937d6d084b7e3c0d94d6af192eecf8",
+        "revCount": 12,
+        "type": "git",
+        "url": "https://git.dynamicdiscord.de/kalipso/ep3-bs.nix"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.dynamicdiscord.de/kalipso/ep3-bs.nix"
+      }
+    },
+    "home-manager": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "utils": "utils_2"
+      },
       "locked": {
         "lastModified": 1670253003,
         "narHash": "sha256-/tJIy4+FbsQyslq1ipyicZ2psOEd8dvl4OJ9lfisjd0=",
@@ -25,7 +46,7 @@
     "mfsync": {
       "inputs": {
         "nixpkgs": "nixpkgs",
-        "utils": "utils_2"
+        "utils": "utils_3"
       },
       "locked": {
         "lastModified": 1663319501,
@@ -159,6 +180,7 @@
     },
     "root": {
       "inputs": {
+        "ep3-bs": "ep3-bs",
         "home-manager": "home-manager",
         "mfsync": "mfsync",
         "nixos-generators": "nixos-generators",
@@ -166,7 +188,7 @@
         "nixpkgs": "nixpkgs_2",
         "nixpkgs-unstable": "nixpkgs-unstable",
         "sops-nix": "sops-nix",
-        "utils": "utils_3"
+        "utils": "utils_4"
       }
     },
     "sops-nix": {
@@ -191,6 +213,21 @@
       }
     },
     "utils": {
+      "locked": {
+        "lastModified": 1678901627,
+        "narHash": "sha256-U02riOqrKKzwjsxc/400XnElV+UtPUQWpANPlyazjH0=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "93a2b84fc4b70d9e089d029deacc3583435c2ed6",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "utils_2": {
       "locked": {
         "lastModified": 1667395993,
         "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
@@ -205,7 +242,7 @@
         "type": "github"
       }
     },
-    "utils_2": {
+    "utils_3": {
       "locked": {
         "lastModified": 1656928814,
         "narHash": "sha256-RIFfgBuKz6Hp89yRr7+NR5tzIAbn52h8vT6vXkYjZoM=",
@@ -220,7 +257,7 @@
         "type": "github"
       }
     },
-    "utils_3": {
+    "utils_4": {
       "locked": {
         "lastModified": 1659877975,
         "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
diff --git a/flake.nix b/flake.nix
index 480781b..c07e83b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -10,6 +10,11 @@
     sops-nix.inputs.nixpkgs.follows = "nixpkgs";
     mfsync.url = "github:k4lipso/mfsync";
 
+    ep3-bs = {
+      url = "git+https://git.dynamicdiscord.de/kalipso/ep3-bs.nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     nixos-generators = {
       url = "github:nix-community/nixos-generators";
       inputs.nixpkgs.follows = "nixpkgs";