diff --git a/flake.lock b/flake.lock
index ce34342d2..ab7e6a327 100644
--- a/flake.lock
+++ b/flake.lock
@@ -63,11 +63,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1764038373,
-        "narHash": "sha256-M6w2wNBRelcavoDAyFL2iO4NeWknD40ASkH1S3C0YGM=",
+        "lastModified": 1784611586,
+        "narHash": "sha256-OfqgY+0hp/zseZB7uyH0U8kIDPS4scZZCyAurEplvG0=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "ab3536fe850211a96673c6ffb2cb88aab8071cc9",
+        "rev": "14f58845249f3552a89b07772626b8d3c632fa86",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 3a4ed41bc..27a262db1 100644
--- a/flake.nix
+++ b/flake.nix
@@ -189,7 +189,7 @@
 
                 LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath buildInputs;
                 PERL_PATH = "${pkgs.perl}/bin/perl";
-                NIX_SHELL_BUILD = "1";
+                SKIP_CHECK_TOOLS = "1";
                 PODMAN_BUILD = "0";
                 shellHook = with pkgs; ''
                   export PKG_CONFIG_PATH="${fuse.dev}/lib/pkgconfig\