diff --git a/flake.lock b/flake.lock
index 8de99c3e..2479fb5a 100644
--- a/flake.lock
+++ b/flake.lock
@@ -95,17 +95,17 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1682423271,
-        "narHash": "sha256-WHhl1GiOij1ob4cTLL+yhqr+vFOUH8E5wAX8Ir8fvjE=",
+        "lastModified": 1707091808,
+        "narHash": "sha256-LahKBAfGbY836gtpVNnWwBTIzN7yf/uYM/S0g393r0Y=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "94517a501434a627c5d9e72ac6e7f26174b978d3",
+        "rev": "9f2ee8c91ac42da3ae6c6a1d21555f283458247e",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "94517a501434a627c5d9e72ac6e7f26174b978d3",
+        "rev": "9f2ee8c91ac42da3ae6c6a1d21555f283458247e",
         "type": "github"
       }
     },
@@ -126,11 +126,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1682389182,
-        "narHash": "sha256-8t2nmFnH+8V48+IJsf8AK51ebXNlVbOSVYOpiqJKvJE=",
+        "lastModified": 1707271822,
+        "narHash": "sha256-/DZsoPH5GBzOpVEGz5PgJ7vh8Q6TcrJq5u8FcBjqAfI=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "74f1a64dd28faeeb85ef081f32cad2989850322c",
+        "rev": "7a94fe7690d2bdfe1aab475382a505e14dc114a6",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index c3da239d..236b2310 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,9 +2,9 @@
   description =
     "Garage, an S3-compatible distributed object store for self-hosted deployments";
 
-  # Nixpkgs unstable as of 2023-04-25, has rustc v1.68
+  # Nixpkgs 23.11 as of 2024-02-07, has rustc v1.73
   inputs.nixpkgs.url =
-    "github:NixOS/nixpkgs/94517a501434a627c5d9e72ac6e7f26174b978d3";
+    "github:NixOS/nixpkgs/9f2ee8c91ac42da3ae6c6a1d21555f283458247e";
 
   inputs.flake-compat.url = "github:nix-community/flake-compat";
 
@@ -17,9 +17,9 @@
     # - rustc v1.66
     # url = "github:cargo2nix/cargo2nix/8fb57a670f7993bfc24099c33eb9c5abb51f29a2";
 
-    # Rust overlay as of 2023-04-25
+    # Rust overlay as of 2024-02-07
     inputs.rust-overlay.url =
-      "github:oxalica/rust-overlay/74f1a64dd28faeeb85ef081f32cad2989850322c";
+      "github:oxalica/rust-overlay/7a94fe7690d2bdfe1aab475382a505e14dc114a6";
 
     inputs.nixpkgs.follows = "nixpkgs";
     inputs.flake-compat.follows = "flake-compat";
diff --git a/nix/compile.nix b/nix/compile.nix
index efd88bbf..c51188fe 100644
--- a/nix/compile.nix
+++ b/nix/compile.nix
@@ -32,7 +32,7 @@ let
   */
   toolchainOptions = if target == null || target == "x86_64-unknown-linux-musl"
   || target == "aarch64-unknown-linux-musl" then {
-    rustVersion = "1.68.0";
+    rustVersion = "1.73.0";
     extraRustComponents = [ "clippy" ];
   } else {
     rustToolchain = pkgs.symlinkJoin {