diff --git a/src/engine.rs b/src/engine.rs
index 094079aa..a9fda025 100644
--- a/src/engine.rs
+++ b/src/engine.rs
@@ -123,9 +123,9 @@ pub fn run_treefmt(
                 let start_time = Instant::now();
 
                 // Run the formatter
-                for path_chunks in paths.chunks(1024) {
-                    formatter.clone().fmt(path_chunks)?;
-                }
+                paths.par_chunks(1024).try_for_each(|path_chunks| {
+                    formatter.clone().fmt(path_chunks)
+                })?;
 
                 // Get the new mtimes and compare them to the original ones
                 let new_paths = paths