diff --git a/flake.lock b/flake.lock
index bb2e400c0..d0ef5f430 100644
--- a/flake.lock
+++ b/flake.lock
@@ -48,6 +48,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-nixos-unstable": {
+      "locked": {
+        "lastModified": 1709479366,
+        "narHash": "sha256-n6F0n8UV6lnTZbYPl1A9q1BS0p4hduAv1mGAP17CVd0=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "b8697e57f10292a6165a20f03d2f42920dfaf973",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs-regression": {
       "locked": {
         "lastModified": 1643052045,
@@ -69,6 +85,7 @@
         "flake-compat": "flake-compat",
         "libgit2": "libgit2",
         "nixpkgs": "nixpkgs",
+        "nixpkgs-nixos-unstable": "nixpkgs-nixos-unstable",
         "nixpkgs-regression": "nixpkgs-regression"
       }
     }