flake.lock: Update

Flake input changes:

* Updated 'nixpkgs_unstable': 'github:NixOS/nixpkgs/f428bb03f2dd4e74fd748fa33d436d8738280586' -> 'github:NixOS/nixpkgs/9816b99e71c3504b0b4c1f8b2e004148460029d4'

1 files changed, 4 insertions, 4 deletions

diff --git a/flake.lock b/flake.lock
index 87953ce..4f9e088 100644
--- a/flake.lock
+++ b/flake.lock
@@ -18,16 +18,16 @@
     },
     "nixpkgs_unstable": {
       "locked": {
-        "lastModified": 1613871428,
-        "narHash": "sha256-pKTNtMSO4zU5y2uBW+bW77AYktLJp4gEfXqDH7kv4f8=",
+        "lastModified": 1613761605,
+        "narHash": "sha256-lUF6UPR96ZzQC0faNXBHLoLhNAdxZqYqDwz0PaIZ/7Y=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "f428bb03f2dd4e74fd748fa33d436d8738280586",
+        "rev": "9816b99e71c3504b0b4c1f8b2e004148460029d4",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "master",
+        "ref": "nixos-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }