diff --git a/.gitattributes b/.gitattributes
index e98a3677..4586301a 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,3 +1,6 @@
+# Keep byte-exact tracked text stable across Windows and Unix checkouts.
+* text=auto eol=lf
+
 # Keep platform-specific scripts with safe line endings.
 *.sh text eol=lf
 *.command text eol=lf