diff --git a/.gitattributes b/.gitattributes
index 4d830acdee..d8ac36b460 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -4,12 +4,27 @@
 patches/**/.patches merge=union
 
 # Source code and markdown files should always use LF as line ending.
+*.c text eol=lf
 *.cc text eol=lf
-*.mm text eol=lf
+*.cpp text eol=lf
+*.csv text eol=lf
+*.grd   text eol=lf
+*.grdp   text eol=lf
+*.gn text eol=lf
+*.gni text eol=lf
 *.h text eol=lf
-*.js text eol=lf
-*.ts text eol=lf
+*.html   text eol=lf
+*.idl text eol=lf
+*.in   text eol=lf
+*.js   text eol=lf
+*.json   text eol=lf
+*.json5 text eol=lf
+*.md text eol=lf
+*.mm text eol=lf
+*.mojom text eol=lf
+*.proto text eol=lf
 *.py text eol=lf
 *.ps1 text eol=lf
-*.html text eol=lf
-*.md text eol=lf
+*.sh text eol=lf
+*.ts text eol=lf
+*.txt   text eol=lf