diff --git a/polkadot/.editorconfig b/polkadot/.editorconfig
new file mode 100644
index 0000000000..f511aad460
--- /dev/null
+++ b/polkadot/.editorconfig
@@ -0,0 +1,16 @@
+root = true
+[*]
+indent_style=tab
+indent_size=tab
+tab_width=4
+end_of_line=lf
+charset=utf-8
+trim_trailing_whitespace=true
+max_line_length=120
+insert_final_newline=true
+
+[*.yml]
+indent_style=space
+indent_size=2
+tab_width=8
+end_of_line=lf