diff --git a/flake.lock b/flake.lock
index 3f84ad7..ccdf4eb 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,16 +2,16 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1682493015,
-        "narHash": "sha256-KiMOAe8u83QDF40Z25kWMkZbqr9U+mvjvEJy5Qvw0nw=",
+        "lastModified": 1686431482,
+        "narHash": "sha256-oPVQ/0YP7yC2ztNsxvWLrV+f0NQ2QAwxbrZ+bgGydEM=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "60c0f762658916a4a5b5a36b3e06486f8301daf4",
+        "rev": "d3bb401dcfc5a46ce51cdfb5762e70cc75d082d2",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-22.11",
+        "ref": "nixos-23.05",
         "type": "indirect"
       }
     },
diff --git a/flake.nix b/flake.nix
index a496367..09ca05f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "Custom-Built MLIR";
 
   # Nixpkgs / NixOS version to use.
-  inputs.nixpkgs.url = "nixpkgs/nixos-22.11";
+  inputs.nixpkgs.url = "nixpkgs/nixos-23.05";
 
   outputs = { self, nixpkgs }:
     let