diff --git a/polly/.gitattributes b/polly/.gitattributes
new file mode 100644
index 000000000000..e7c1d93d39c5
--- /dev/null
+++ b/polly/.gitattributes
@@ -0,0 +1,2 @@
+# Auto detect text files and perform LF normalization
+* text eol=lf