diff --git a/.gitattributes b/.gitattributes
index 11b6588..c772c32 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1,26 @@
+# Force LF checkout for all source files
+*.bin binary
+*.c text eol=lf
+*.cc text eol=lf
+*.cpp text eol=lf
+*.gn text eol=lf
+*.gni text eol=lf
+*.h text eol=lf
+*.in text eol=lf
+*.js text eol=lf
+*.md text eol=lf
+*.mm text eol=lf
+*.sh text eol=lf
+*.txt text eol=lf
+*.xml text eol=lf
+.clang-format text eol=lf
+.gitattributes text eol=lf
+.gitignore text eol=lf
+.vpython text eol=lf
+codereview.settings text eol=lf
+DEPS text eol=lf
+LICENSE text eol=lf
+OWNERS text eol=lf
+
 # Skip Tricium on expectation files.
 *_expected.txt -tricium