diff --git a/flake.lock b/flake.lock
index 7d72184..834dd6e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -662,17 +662,17 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1735291276,
-        "narHash": "sha256-NYVcA06+blsLG6wpAbSPTCyLvxD/92Hy4vlY9WxFI1M=",
+        "lastModified": 1734978744,
+        "narHash": "sha256-R80xsDCKZOPJv5T+fB5G1ZVgS/51tJgUenGmGFjZat4=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "634fd46801442d760e09493a794c4f15db2d0cbb",
+        "rev": "b74a56e2acce8fe88a575287a20ac196d8d01938",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
-        "ref": "nixos-unstable",
         "repo": "nixpkgs",
+        "rev": "b74a56e2acce8fe88a575287a20ac196d8d01938",
         "type": "github"
       }
     },
diff --git a/flake.nix b/flake.nix
index 4577477..e7fca07 100755
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "System configuration flake.";
 
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    nixpkgs.url = "github:nixos/nixpkgs/b74a56e2acce8fe88a575287a20ac196d8d01938";
     # stablepkgs.url = "github:nixos/nixpkgs/nixos-24.05";
     # bleedingpkgs.url = "github:nixos/nixpkgs/master";
     # nixpkgs-unstable-small.url = "github:nixos/nixpkgs/nixos-unstable-small";