diff --git a/.Rbuildignore b/.Rbuildignore
index 9ed6386..45de0ec 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -5,3 +5,4 @@
 ^CODEOWNERS$
 ^\.github$
 ^\.lintr$
+^[.]?air[.]toml$
diff --git a/air.toml b/air.toml
new file mode 100644
index 0000000..62631ac
--- /dev/null
+++ b/air.toml
@@ -0,0 +1,2 @@
+[format]
+line-ending = "lf"