diff --git a/rustfmt.toml b/rustfmt.toml
new file mode 100644
index 0000000..3807d4c
--- /dev/null
+++ b/rustfmt.toml
@@ -0,0 +1,3 @@
+hex_literal_case = "Upper"
+imports_granularity = "One"
+struct_field_align_threshold = 5