diff --git a/flake.lock b/flake.lock
index 37e0dbc01..212c14ae8 100644
--- a/flake.lock
+++ b/flake.lock
@@ -38,11 +38,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1788758950,
-        "narHash": "sha256-b3zONUcYXZHeoeYwDZdSDCzMj0s6ubmD6NT3D7sS+jU=",
+        "lastModified": 1790436535,
+        "narHash": "sha256-cB3ZNNZEUmUEKXxqBLA17JGC2I1gZZ6SFAxpRynq5OU=",
         "owner": "nlewo",
         "repo": "nix2container",
-        "rev": "b6ac40ef110c12ab1651fce5ea563f7837236439",
+        "rev": "7ac0ae4c39ce93357be85192350a92e077128bef",
         "type": "github"
       },
       "original": {
@@ -68,11 +68,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1789844176,
-        "narHash": "sha256-COQmpo4lFIzMgUjr3ntDpjH0NwrCnf7N0uhR+6WPGP8=",
+        "lastModified": 1790570722,
+        "narHash": "sha256-Avcz96Q+8OkfUIUXipBBVsQn19L622BtKP7mk6M+uls=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "79b35bf0bda5cd110f856aa5b5b2c5ba4460dbf5",
+        "rev": "419fe0f449b3fbe3bdd53d9840288db4509ec32e",
         "type": "github"
       },
       "original": {
@@ -111,11 +111,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1789963190,
-        "narHash": "sha256-mj5BLUKECIHv3rwkBXL6xQp45gIBJV7ZOYgT46LXwho=",
+        "lastModified": 1790565003,
+        "narHash": "sha256-q4W45pwcae0gK41vxzqfmXOnODGKfduLJJdraPHYXcY=",
         "owner": "pyproject-nix",
         "repo": "build-system-pkgs",
-        "rev": "14b45373ea9a14ed2fcd0abf3ed35c8e3c430020",
+        "rev": "c84c47bba26ea303eaefc137ab48307fe57a1be1",
         "type": "github"
       },
       "original": {
@@ -165,11 +165,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1789977098,
-        "narHash": "sha256-fKY4BedarKx4aR0+UOHk65hhDW8pxFytFkaUi0VYDYk=",
+        "lastModified": 1790584267,
+        "narHash": "sha256-NvjQLSztzad7ulLbvrYFKpz4pRrxZ34zKM7mTGEK1wk=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "2776e42828203ec89511699c8dcdedec69ab98e1",
+        "rev": "3f4df219c0d9aa82710232324856755d51ef0b69",
         "type": "github"
       },
       "original": {
@@ -223,11 +223,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1789383061,
-        "narHash": "sha256-+DkygIVr/+RtXnsjd07BzFFB0ihwmjjLuYh1fyc/bCg=",
+        "lastModified": 1790341335,
+        "narHash": "sha256-wFnDm/o/4OebDlpGFyVXP8DLUx0/gR/jUFuGqmTwsQg=",
         "owner": "pyproject-nix",
         "repo": "uv2nix",
-        "rev": "079be4e68c529c4cbc44dbf1afc692e4b30695b3",
+        "rev": "a24323e9e6ecbbf305c238845ff6c612d50467c0",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index b9d639743..afee40989 100644
--- a/flake.nix
+++ b/flake.nix
@@ -63,16 +63,7 @@
               # From unstable so it keeps pace with the rustdoc JSON format
               # emitted by rust-overlay's latest stable toolchain; the
               # release-branch nixpkgs version lags too far behind.
-              # Its check phase needs a writable HOME for a cache dir and
-              # fails in the sandbox without one. Drop the override once
-              # the lock includes NixOS/nixpkgs#563137.
-              cargo-semver-checks =
-                nixpkgs-unstable.legacyPackages.${system}.cargo-semver-checks.overrideAttrs
-                  (old: {
-                    nativeCheckInputs = (old.nativeCheckInputs or [ ]) ++ [
-                      nixpkgs-unstable.legacyPackages.${system}.writableTmpDirAsHomeHook
-                    ];
-                  });
+              cargo-semver-checks = nixpkgs-unstable.legacyPackages.${system}.cargo-semver-checks;
               rustToolchains = {
                 msrv = prev.rust-bin.stable.${msrv-version}.default;
                 stable = prev.rust-bin.stable.latest.default;