diff --git a/flake.lock b/flake.lock
index 2ae424a..2ac47ab 100644
--- a/flake.lock
+++ b/flake.lock
@@ -20,16 +20,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1758589230,
-        "narHash": "sha256-zMTCFGe8aVGTEr2RqUi/QzC1nOIQ0N1HRsbqB4f646k=",
+        "lastModified": 1777077449,
+        "narHash": "sha256-AIiMJiqvGrN4HyLEbKAoCSRRYn0rnlW5VbKNIMIYqm4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "d1d883129b193f0b495d75c148c2c3a7d95789a0",
+        "rev": "a4bf06618f0b5ee50f14ed8f0da77d34ecc19160",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-25.05",
+        "ref": "nixos-25.11",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -63,11 +63,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1758728421,
-        "narHash": "sha256-ySNJ008muQAds2JemiyrWYbwbG+V7S5wg3ZVKGHSFu8=",
+        "lastModified": 1775636079,
+        "narHash": "sha256-pc20NRoMdiar8oPQceQT47UUZMBTiMdUuWrYu2obUP0=",
         "owner": "numtide",
         "repo": "treefmt-nix",
-        "rev": "5eda4ee8121f97b218f7cc73f5172098d458f1d1",
+        "rev": "790751ff7fd3801feeaf96d7dc416a8d581265ba",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 4e360ed..5e5ed08 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,7 +2,7 @@
   description = "Devshell for ACP Go SDK";
 
   inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.05";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
     flake-utils.url = "github:numtide/flake-utils";
     treefmt-nix = {
       url = "github:numtide/treefmt-nix";