diff --git a/flake.lock b/flake.lock
index 30c26072b..6819c4cda 100644
--- a/flake.lock
+++ b/flake.lock
@@ -133,11 +133,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1742738698,
-        "narHash": "sha256-KCtAXWwQs03JmEhP4ss59QVzT+rHZkhQO85KjNy8Crc=",
+        "lastModified": 1747790854,
+        "narHash": "sha256-8TpwOtr0T016HNlVuDcDNq4q+GMKfLStOSwdabrz+rk=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "f3a2a0601e9669a6e38af25b46ce6c4563bcb6da",
+        "rev": "f0d925b947cca0bbe7f2d25115cbaf021844aba7",
         "type": "github"
       },
       "original": {
diff --git a/pkgs/by-name/re/reth/default.nix b/pkgs/by-name/re/reth/default.nix
index 3165f18f2..939f2ac04 100644
--- a/pkgs/by-name/re/reth/default.nix
+++ b/pkgs/by-name/re/reth/default.nix
@@ -6,13 +6,13 @@
 }:
 rustPlatform.buildRustPackage rec {
   pname = "reth";
-  version = "1.3.12";
+  version = "1.4.3";
 
   src = fetchFromGitHub {
     owner = "paradigmxyz";
     repo = pname;
     rev = "v${version}";
-    hash = "sha256-59XUrMaXMiqSELQX8i7eK4Eo8YfGjPVZHT6q+rxoSPs=";
+    hash = "sha256-pl0eQU7BjkSg8ECxeB13oNMO9CNIwLyOOHiWWC4CWhY=";
   };
 
   cargoLock = {