diff --git a/rustfmt-nightly.toml b/rustfmt-nightly.toml
new file mode 100644
index 0000000..dd56b9d
--- /dev/null
+++ b/rustfmt-nightly.toml
@@ -0,0 +1,6 @@
+group_imports = "StdExternalCrate"
+imports_granularity = "Crate"
+max_width = 100
+format_code_in_doc_comments = true
+doc_comment_code_block_width = 70
+wrap_comments = true