diff --git a/flake.lock b/flake.lock
index 4301e9d..5b90b31 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,16 +2,16 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1659914493,
-        "narHash": "sha256-lkA5X3VNMKirvA+SUzvEhfA7XquWLci+CGi505YFAIs=",
+        "lastModified": 1667639549,
+        "narHash": "sha256-frqZKSG/933Ctwl9voSZnXDwo8CqddXcjQhnCzwNqaM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "022caabb5f2265ad4006c1fa5b1ebe69fb0c3faf",
+        "rev": "cae3751e9f74eea29c573d6c2f14523f41c2821a",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-21.05",
+        "ref": "nixpkgs-unstable",
         "type": "indirect"
       }
     },
diff --git a/flake.nix b/flake.nix
index 908f530..074a80d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,7 +1,7 @@
 {
   description = "A tool for modifying ELF executables and libraries";
 
-  inputs.nixpkgs.url = "nixpkgs/nixos-21.05";
+  inputs.nixpkgs.url = "nixpkgs/nixpkgs-unstable";
 
   outputs = { self, nixpkgs }: