diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..38d0989
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,17 @@
+# We expect files to have Unix line endings.
+*.c text eol=lf
+*.cc text eol=lf
+*.cpp text eol=lf
+*.gn text eol=lf
+*.gni text eol=lf
+*.h text eol=lf
+*.md text eol=lf
+*.py text eol=lf
+*.txt text eol=lf
+.clang-format text eol=lf
+.gitattributes text eol=lf
+.gitignore text eol=lf
+AUTHORS text eol=lf
+LICENSE text eol=lf
+OWNERS text eol=lf
+README.* text eol=lf