diff --git a/flake.lock b/flake.lock
index d4abe38..2537edd 100644
--- a/flake.lock
+++ b/flake.lock
@@ -5,11 +5,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
         "type": "github"
       },
       "original": {
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1725983898,
-        "narHash": "sha256-4b3A9zPpxAxLnkF9MawJNHDtOOl6ruL0r6Og1TEDGCE=",
+        "lastModified": 1737062831,
+        "narHash": "sha256-Tbk1MZbtV2s5aG+iM99U8FqwxU/YNArMcWAv6clcsBc=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "1355a0cbfeac61d785b7183c0caaec1f97361b43",
+        "rev": "5df43628fdf08d642be8ba5b3625a6c70731c19c",
         "type": "github"
       },
       "original": {
diff --git a/rust.nix b/rust.nix
index f895a5a..18240f5 100644
--- a/rust.nix
+++ b/rust.nix
@@ -5,7 +5,7 @@
   systems_table = {
     "x86_64-linux" = {
       system = "x86_64-unknown-linux-gnu";
-      hash = "1pilzw6lqygysdrklzs64vb07a3ni0pw24qklkwc5gjqwgzc4ka4";
+      hash = "1i66zrpbwdkdr28nad72jf2l4p9yl16bvzm5bygiq0wbjigxwrav";
     };
     "x86_64-darwin" = {
       system = "x86_64-apple-darwin";
@@ -24,7 +24,7 @@
 in
   pkgs.stdenv.mkDerivation rec {
     pname = "esp-rust";
-    version = "1.81.0.0";
+    version = "1.84.0.0";
     srcs = [
       (builtins.fetchurl
         {
@@ -34,7 +34,7 @@ in
       (builtins.fetchurl
         {
           url = "https://github.com/esp-rs/rust-build/releases/download/v${version}/rust-src-${version}.tar.xz";
-          sha256 = "0w7fy0biml8ddvwpmrn9js4x6vkqjhm118gxy2431fnxl97v947f";
+          sha256 = "1c24aqc1js5w4l8z6j4p1sj6xihrg4990kvb6x8bzyigm53qg18m";
         })
     ];
     sourceRoot = ".";