diff --git a/nix/nix-versions.json b/nix/nix-versions.json
index 452712a87..a3338cf2e 100644
--- a/nix/nix-versions.json
+++ b/nix/nix-versions.json
@@ -1,18 +1,23 @@
 {
+  "2.31": {
+    "url": "https://github.com/nixos/nix/tarball/ec6ba866d1a75f04a43d3ac4061a3b0277be842b",
+    "version": "2.31.0",
+    "sha256": "0qr1kvmf6688sy968gydag8ij6qhj0n0h69j128gpazn665355p4"
+  },
   "2.30": {
-    "url": "https://github.com/nixos/nix/tarball/01b37cfb76452abdcb849d0c70983191086d1995",
+    "url": "https://github.com/nixos/nix/tarball/65d09373d16174e07b107520f85c020d3cade12f",
     "version": "2.30.3",
-    "sha256": "12pxnwvx5ifp0s276cq00gad9gpah4pp51pa0lv59h2j9473lycq"
+    "sha256": "1n01hssmsqzpfmxmbgr9fk11fl9qjb2v5lyfjdc4vpibz4y882ac"
   },
   "2.29": {
-    "url": "https://github.com/nixos/nix/tarball/c1f54da0188f7d04d63621090a9b1101f99a021a",
+    "url": "https://github.com/nixos/nix/tarball/9328af84d33281ef8018251b2a4289e89719c7ae",
     "version": "2.29.2",
-    "sha256": "1maim3ngh4ykjdbcnrfwljjhl9498q2pzprly3hgs2zxksf72iq3"
+    "sha256": "155lhl3anwpb5271vr9h9rlxhirf8smqphpk70krrynpq2kqlmw6"
   },
   "2.28": {
-    "url": "https://github.com/nixos/nix/tarball/6c0cc04ce45e6166aadba346d3fd18f34c6f2cb2",
+    "url": "https://github.com/nixos/nix/tarball/8049b297cec010d30ba70f02e49cecc851c95c29",
     "version": "2.28.5",
-    "sha256": "1j2v85hhjh27ifch1md1c17r2bb09bjigvwvajw11nf9yig4rl5z"
+    "sha256": "1i4d43897rgdyhh80g3kika1kjmdw8jq0mka502a2adx0m2aimjm"
   },
   "2.27": {
     "url": "https://github.com/nixos/nix/tarball/c73c503d5f41aef0a5a0493ccc4d435eda229e65",