diff --git a/flake.lock b/flake.lock
index 294d56e..d79c449 100644
--- a/flake.lock
+++ b/flake.lock
@@ -94,16 +94,16 @@
         "nixpkgs-regression": "nixpkgs-regression"
       },
       "locked": {
-        "lastModified": 1708517151,
-        "narHash": "sha256-s7QTMxLzVA5UF80sFCv8jwaTMBLA8/110YFkZNkNsCk=",
-        "rev": "8a8172cd2b5ef2f6dd2d9673a6379447d780ff17",
-        "revCount": 16129,
+        "lastModified": 1709808984,
+        "narHash": "sha256-bfFe38BkoQws7om4gBtBWoNTLkt9piMXdLLoHYl+vBQ=",
+        "rev": "f8170ce9f119e5e6724eb81ff1b5a2d4c0024000",
+        "revCount": 16143,
         "type": "tarball",
-        "url": "https://api.flakehub.com/f/pinned/NixOS/nix/2.20.3/018dcc43-c784-772a-8da1-64165044e9cd/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/%3D2.20.3.tar.gz"
+        "url": "https://flakehub.com/f/NixOS/nix/%3D2.20.5.tar.gz"
       }
     },
     "nixpkgs": {
diff --git a/flake.nix b/flake.nix
index 257c0ea..c0d102f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -15,7 +15,7 @@
     };
 
     nix = {
-      url = "https://flakehub.com/f/NixOS/nix/=2.20.3.tar.gz";
+      url = "https://flakehub.com/f/NixOS/nix/=2.20.5.tar.gz";
       # Omitting `inputs.nixpkgs.follows = "nixpkgs";` on purpose
     };
 
diff --git a/src/settings.rs b/src/settings.rs
index c57393f..6d7de4d 100644
--- a/src/settings.rs
+++ b/src/settings.rs
@@ -13,19 +13,19 @@ pub const SCRATCH_DIR: &str = "/nix/temp-install-dir";
 
 /// Default [`nix_package_url`](CommonSettings::nix_package_url) for Linux x86_64
 pub const NIX_X64_64_LINUX_URL: &str =
-    "https://releases.nixos.org/nix/nix-2.20.3/nix-2.20.3-x86_64-linux.tar.xz";
+    "https://releases.nixos.org/nix/nix-2.20.5/nix-2.20.5-x86_64-linux.tar.xz";
 /// Default [`nix_package_url`](CommonSettings::nix_package_url) for Linux x86 (32 bit)
 pub const NIX_I686_LINUX_URL: &str =
-    "https://releases.nixos.org/nix/nix-2.20.3/nix-2.20.3-i686-linux.tar.xz";
+    "https://releases.nixos.org/nix/nix-2.20.5/nix-2.20.5-i686-linux.tar.xz";
 /// Default [`nix_package_url`](CommonSettings::nix_package_url) for Linux aarch64
 pub const NIX_AARCH64_LINUX_URL: &str =
-    "https://releases.nixos.org/nix/nix-2.20.3/nix-2.20.3-aarch64-linux.tar.xz";
+    "https://releases.nixos.org/nix/nix-2.20.5/nix-2.20.5-aarch64-linux.tar.xz";
 /// Default [`nix_package_url`](CommonSettings::nix_package_url) for Darwin x86_64
 pub const NIX_X64_64_DARWIN_URL: &str =
-    "https://releases.nixos.org/nix/nix-2.20.3/nix-2.20.3-x86_64-darwin.tar.xz";
+    "https://releases.nixos.org/nix/nix-2.20.5/nix-2.20.5-x86_64-darwin.tar.xz";
 /// Default [`nix_package_url`](CommonSettings::nix_package_url) for Darwin aarch64
 pub const NIX_AARCH64_DARWIN_URL: &str =
-    "https://releases.nixos.org/nix/nix-2.20.3/nix-2.20.3-aarch64-darwin.tar.xz";
+    "https://releases.nixos.org/nix/nix-2.20.5/nix-2.20.5-aarch64-darwin.tar.xz";
 
 #[derive(Debug, serde::Deserialize, serde::Serialize, Clone, Copy, PartialEq, Eq)]
 #[cfg_attr(feature = "cli", derive(clap::ValueEnum))]