diff --git a/machines/atlas/facter.json b/machines/atlas/facter.json
index 28cf32c..200d9bd 100644
--- a/machines/atlas/facter.json
+++ b/machines/atlas/facter.json
@@ -3755,4 +3755,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/machines/jefke/facter.json b/machines/jefke/facter.json
index d08cfd4..c38ac98 100644
--- a/machines/jefke/facter.json
+++ b/machines/jefke/facter.json
@@ -3590,4 +3590,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/machines/lewis/facter.json b/machines/lewis/facter.json
index ef4139b..3c634c5 100644
--- a/machines/lewis/facter.json
+++ b/machines/lewis/facter.json
@@ -5504,4 +5504,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/treefmt.nix b/treefmt.nix
index e6da195..0a59d44 100644
--- a/treefmt.nix
+++ b/treefmt.nix
@@ -1,4 +1,5 @@
 {...}: {
   projectRootFile = "flake.nix";
   programs.alejandra.enable = true;
+  programs.jsonfmt.enable = true;
 }