diff --git a/devenv.nix b/devenv.nix
index c865ab4..af92b61 100644
--- a/devenv.nix
+++ b/devenv.nix
@@ -83,6 +83,8 @@
       ]
     );
     markdownlint.enable = true;
+    yamlfmt.enable = true;
+    yamlfmt.settings.lint-only = false;
     trufflehog.enable = true;
   };