diff --git a/flake.lock b/flake.lock
index 3a71d6b..7f9407d 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,16 +2,16 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1688392541,
-        "narHash": "sha256-lHrKvEkCPTUO+7tPfjIcb7Trk6k31rz18vkyqmkeJfY=",
+        "lastModified": 1690370995,
+        "narHash": "sha256-9z//23jGegLJrf3ITStLwVf715O39dq5u48Kr/XW14U=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ea4c80b39be4c09702b0cb3b42eab59e2ba4f24b",
+        "rev": "f3fbbc36b4e179a5985b9ab12624e9dfe7989341",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-22.11",
+        "ref": "nixos-23.05",
         "type": "indirect"
       }
     },
diff --git a/flake.nix b/flake.nix
index caa956c..681066e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "Custom-Built MLIR Tools";
 
   # Nixpkgs / NixOS version to use.
-  inputs.nixpkgs.url = "nixpkgs/nixos-22.11";
+  inputs.nixpkgs.url = "nixpkgs/nixos-23.05";
 
   outputs = { self, nixpkgs }:
     let