diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 000000000..7dc0c8588
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,3 @@
+# Auto-detect text vs. binary files and ensure newlines are always LF for
+# text files on check-out and check-in.
+* text=auto eol=lf