diff --git a/flake.lock b/flake.lock
index 9cb316de0..ec07707b8 100644
--- a/flake.lock
+++ b/flake.lock
@@ -92,16 +92,16 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1711050907,
-        "narHash": "sha256-yz3f+Gz67paLGTtJAZI/0t/enkzGJCGMzGFEfCPMupM=",
-        "rev": "7cef287ac42d7f6c2837fb4052b472aa70d782a9",
-        "revCount": 49,
+        "lastModified": 1711221020,
+        "narHash": "sha256-k7KUnBqVhbHtk2Ho/9TwQ9C10iEkSC1GgX3EuGc4+lo=",
+        "rev": "507a4e1213f67323a4f47e4e5f571c36b54e5431",
+        "revCount": 53,
         "type": "tarball",
-        "url": "https://api.flakehub.com/f/pinned/DeterminateSystems/nix/2.21.0-rc.1/018e62ab-98ca-7209-ab9e-ec3cbedb2fec/source.tar.gz"
+        "url": "https://api.flakehub.com/f/pinned/DeterminateSystems/nix/2.20.5%2Br2/018e6cbc-c330-7246-84b9-9959ee7707f0/source.tar.gz"
       },
       "original": {
         "type": "tarball",
-        "url": "https://flakehub.com/f/DeterminateSystems/nix/2.21.0-rc.1"
+        "url": "https://flakehub.com/f/DeterminateSystems/nix/2.0.0"
       }
     },
     "nix_2": {
@@ -112,30 +112,30 @@
         "nixpkgs-regression": "nixpkgs-regression"
       },
       "locked": {
-        "lastModified": 1710178469,
-        "narHash": "sha256-9b9qJ+7rGjLKbIswMf0/2pgUWH/xOlYLk7P4WYNcGDs=",
-        "rev": "34807c8906a61219ec2e9132c9cf0bd4d29e1d12",
-        "revCount": 16474,
+        "lastModified": 1709808984,
+        "narHash": "sha256-bfFe38BkoQws7om4gBtBWoNTLkt9piMXdLLoHYl+vBQ=",
+        "rev": "f8170ce9f119e5e6724eb81ff1b5a2d4c0024000",
+        "revCount": 16143,
         "type": "tarball",
-        "url": "https://api.flakehub.com/f/pinned/NixOS/nix/2.21.0/018e2f26-b719-7969-9e65-c3ae828e9b2c/source.tar.gz"
+        "url": "https://api.flakehub.com/f/pinned/NixOS/nix/2.20.5/018e199b-ae2c-703d-ab99-4c648be473b2/source.tar.gz"
       },
       "original": {
         "type": "tarball",
-        "url": "https://flakehub.com/f/NixOS/nix/2.21"
+        "url": "https://flakehub.com/f/NixOS/nix/%3D2.20.5"
       }
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1709083642,
-        "narHash": "sha256-7kkJQd4rZ+vFrzWu8sTRtta5D1kBG0LSRYAfhtmMlSo=",
+        "lastModified": 1705033721,
+        "narHash": "sha256-K5eJHmL1/kev6WuqyqqbS1cdNnSidIZ3jeqJ7GbrYnQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "b550fe4b4776908ac2a861124307045f8e717c8e",
+        "rev": "a1982c92d8980a0114372973cbdfe0a307f1bdea",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "release-23.11",
+        "ref": "nixos-23.05-small",
         "repo": "nixpkgs",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 87375d4a0..1ea1081a6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -15,7 +15,7 @@
     };
 
     nix = {
-      url = "https://flakehub.com/f/DeterminateSystems/nix/2.21.0-rc.1";
+      url = "https://flakehub.com/f/DeterminateSystems/nix/2.0.0";
       # Omitting `inputs.nixpkgs.follows = "nixpkgs";` on purpose
     };