diff --git a/deps/pyproject-build-systems b/deps/pyproject-build-systems
index b266d8e0a9..73e52db0b0 100644
--- a/deps/pyproject-build-systems
+++ b/deps/pyproject-build-systems
@@ -1 +1 @@
-dbfc0483b5952c6b86e36f8b3afeb9dde30ea4b5
+795a980d25301e5133eca37adae37283ec3c8e66
diff --git a/flake.lock b/flake.lock
index b4a6cf2942..ad8eacc731 100644
--- a/flake.lock
+++ b/flake.lock
@@ -549,11 +549,11 @@
     },
     "nixpkgs-unstable_2": {
       "locked": {
-        "lastModified": 1762844143,
-        "narHash": "sha256-SlybxLZ1/e4T2lb1czEtWVzDCVSTvk9WLwGhmxFmBxI=",
+        "lastModified": 1762977756,
+        "narHash": "sha256-4PqRErxfe+2toFJFgcRKZ0UI9NSIOJa+7RXVtBhy4KE=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "9da7f1cf7f8a6e2a7cb3001b048546c92a8258b4",
+        "rev": "c5ae371f1a6a7fd27823bc500d9390b38c05fa55",
         "type": "github"
       },
       "original": {
@@ -735,17 +735,17 @@
         ]
       },
       "locked": {
-        "lastModified": 1759113590,
-        "narHash": "sha256-fgxP2RCN4cg0jYiMYoETYc7TZ2JjgyvJa2y9l8oSUFE=",
+        "lastModified": 1761781027,
+        "narHash": "sha256-YDvxPAm2WnxrznRqWwHLjryBGG5Ey1ATEJXrON+TWt8=",
         "owner": "pyproject-nix",
         "repo": "build-system-pkgs",
-        "rev": "dbfc0483b5952c6b86e36f8b3afeb9dde30ea4b5",
+        "rev": "795a980d25301e5133eca37adae37283ec3c8e66",
         "type": "github"
       },
       "original": {
         "owner": "pyproject-nix",
         "repo": "build-system-pkgs",
-        "rev": "dbfc0483b5952c6b86e36f8b3afeb9dde30ea4b5",
+        "rev": "795a980d25301e5133eca37adae37283ec3c8e66",
         "type": "github"
       }
     },
diff --git a/flake.nix b/flake.nix
index af7a346824..d940851fa1 100644
--- a/flake.nix
+++ b/flake.nix
@@ -24,7 +24,7 @@
     nixpkgs-unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
     uv2nix.inputs.nixpkgs.follows = "nixpkgs-unstable";
     # uv2nix.inputs.nixpkgs.follows = "nixpkgs";
-    pyproject-build-systems.url = "github:pyproject-nix/build-system-pkgs/dbfc0483b5952c6b86e36f8b3afeb9dde30ea4b5";
+    pyproject-build-systems.url = "github:pyproject-nix/build-system-pkgs/795a980d25301e5133eca37adae37283ec3c8e66";
     pyproject-build-systems = {
       inputs.nixpkgs.follows = "uv2nix/nixpkgs";
       inputs.uv2nix.follows = "uv2nix";