diff --git a/flake.lock b/flake.lock
index d6917f5a6..640d2bcf1 100644
--- a/flake.lock
+++ b/flake.lock
@@ -18,11 +18,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1777578337,
-        "narHash": "sha256-fN6ynMvcdwPDB09LpWJNO5ogu+HFydrBWXJywoI/NNg=",
-        "rev": "15f4ee454b1dce334612fa6843b3e05cf546efab",
+        "lastModified": 1778443072,
+        "narHash": "sha256-rNDJzV2JTV5SUTwv1cgKZYMdyoUYU9/YfegSaUf3QfY=",
+        "rev": "da5ad661ba4e5ef59ba743f0d112cbc30e474f32",
         "type": "tarball",
-        "url": "https://releases.nixos.org/nixos/unstable/nixos-26.05pre990025.15f4ee454b1d/nixexprs.tar.xz"
+        "url": "https://releases.nixos.org/nixos/unstable/nixos-26.05pre995699.da5ad661ba4e/nixexprs.tar.xz"
       },
       "original": {
         "type": "tarball",