diff --git a/flake.lock b/flake.lock
index c0679747a0..b5748c3684 100644
--- a/flake.lock
+++ b/flake.lock
@@ -17,17 +17,17 @@
     },
     "nixpkgs-nodejs": {
       "locked": {
-        "lastModified": 1749174413,
-        "narHash": "sha256-urN9UMK5cd1dzhR+Lx0xHeTgBp2MatA5+6g9JaxjuQs=",
+        "lastModified": 1792686473,
+        "narHash": "sha256-vgbDVD3b0TBw8dYsMK4WC+a4ilx4aJIslhTQjBMr7aA=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "6ad174a6dc07c7742fc64005265addf87ad08615",
+        "rev": "8bd525757851975db0aebe3af18073b7f52d6f34",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "6ad174a6dc07c7742fc64005265addf87ad08615",
+        "rev": "8bd525757851975db0aebe3af18073b7f52d6f34",
         "type": "github"
       }
     },
diff --git a/flake.nix b/flake.nix
index df2f2f3068..2c49b51644 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,7 +1,10 @@
 {
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs";
-    nixpkgs-nodejs.url = "github:nixos/nixpkgs/6ad174a6dc07c7742fc64005265addf87ad08615"; # Node.js 22.14.0
+    # Node 22 is intentional here: the dev shell mirrors the BitGo Express
+    # runtime major, while the root .nvmrc pins the separate Node 24 SDK
+    # toolchain. Keep the two decisions independent.
+    nixpkgs-nodejs.url = "github:nixos/nixpkgs/8bd525757851975db0aebe3af18073b7f52d6f34"; # Node.js 22.23.4
   };
 
   outputs = {