diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000000..f15056f5a7
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+# Require roc files to be checlked out with Unix line endings, even on windows
+*.roc  text eol=lf