diff --git a/.gitignore b/.gitignore
index 9d5aa9e..19bd3d3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@
 
 # except:
 !.zshrc
+!.rustfmt
 !.vimrc
 !.ideavimrc
 !.config
diff --git a/.rustfmt b/.rustfmt
new file mode 100644
index 0000000..17ab7c2
--- /dev/null
+++ b/.rustfmt
@@ -0,0 +1 @@
+edition = "2015"