diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2a56f61..8175120 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `meta.nodeNixpkgs` was implemented.
 - Caching of hive evaluation for flakes.
 
+### Changed
+
+- Tests are now ran on 25.11.
+
 ## [v1.0.0-alpha.1] - 2025-11-24
 
 ### Added
diff --git a/flake.lock b/flake.lock
index 4298882..12bbe1e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -273,16 +273,16 @@
     },
     "nixpkgs_current_stable": {
       "locked": {
-        "lastModified": 1761597516,
-        "narHash": "sha256-wxX7u6D2rpkJLWkZ2E932SIvDJW8+ON/0Yy8+a5vsDU=",
+        "lastModified": 1764522689,
+        "narHash": "sha256-SqUuBFjhl/kpDiVaKLQBoD8TLD+/cTUzzgVFoaHrkqY=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "daf6dc47aa4b44791372d6139ab7b25269184d55",
+        "rev": "8bb5646e0bed5dbd3ab08c7a7cc15b75ab4e1d0f",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixos-25.05",
+        "ref": "nixos-25.11",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index c5dfc11..8696314 100644
--- a/flake.nix
+++ b/flake.nix
@@ -14,7 +14,7 @@
     linux-systems.url = "github:nix-systems/default-linux";
 
     # testing inputs
-    nixpkgs_current_stable.url = "github:NixOS/nixpkgs/nixos-25.05";
+    nixpkgs_current_stable.url = "github:NixOS/nixpkgs/nixos-25.11";
 
     # benchmarking
     colmena_benchmarking.url = "github:zhaofengli/colmena/v0.4.0";