diff --git a/flake.lock b/flake.lock
index d95da6c..e9d0477 100644
--- a/flake.lock
+++ b/flake.lock
@@ -62,16 +62,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1689373857,
-        "narHash": "sha256-mtBksyvhhT98Zsm9tYHuMKuLwUKDwv+BGTl6K5nOGhY=",
+        "lastModified": 1689503327,
+        "narHash": "sha256-qVwzYLA8oT2oWNDXO0A3bZHOhoPOihIB9T677+Hor1E=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "dfdbcc428f365071f0ca3888f6ec8c25c3792885",
+        "rev": "f64b9738da8e86195766147e9752c67fccee006c",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-unstable",
+        "ref": "nixos-23.05",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index bcb2178..44b9fff 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,6 +1,6 @@
 {
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05";
 
     rust-overlay = {
       url = "github:oxalica/rust-overlay";