diff --git a/flake.lock b/flake.lock
index 0b2278f080..606f8836c1 100644
--- a/flake.lock
+++ b/flake.lock
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1715534503,
-        "narHash": "sha256-5ZSVkFadZbFP1THataCaSf0JH2cAH3S29hU9rrxTEqk=",
+        "lastModified": 1717974879,
+        "narHash": "sha256-GTO3C88+5DX171F/gVS3Qga/hOs/eRMxPFpiHq2t+D8=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "2057814051972fa1453ddfb0d98badbea9b83c06",
+        "rev": "c7b821ba2e1e635ba5a76d299af62821cbcb09f3",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index c6e915e9db..22354663dd 100644
--- a/flake.nix
+++ b/flake.nix
@@ -30,6 +30,7 @@
 
             # backend
             go_1_22
+            gofumpt
           ];
         };
       }