diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000000..dfc5bc43d1
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+examples/cpp/wt40.txt text eol=lf
+examples/cpp/testdata/wt40.txt text eol=lf