diff --git a/flake.nix b/flake.nix
index 5d4978ca..ed4f24de 100644
--- a/flake.nix
+++ b/flake.nix
@@ -74,6 +74,7 @@
           nfpm
           gotestsum
           gotests
+          gofumpt
           ksh
           ko
           yq-go