diff --git a/rustfmt.toml b/rustfmt.toml
index 547421e7..3fdc9a98 100644
--- a/rustfmt.toml
+++ b/rustfmt.toml
@@ -1,4 +1,5 @@
 tab_spaces = 4
+max_width = 100
 newline_style = "Auto"
 reorder_imports = true
 reorder_modules = true