diff --git a/git-gs b/git-gs
index 2c1e95689..ef0fb01ea 100755
--- a/git-gs
+++ b/git-gs
@@ -6,4 +6,4 @@ git grep -n -e "$@" -- "*.h" "*.hpp" "*.cpp" "*.c" "*.cc" "*.cpp" "*.inl"\
    "*.grd" "*.grdp" "*.idl" "*.m" "*.mm" "*.py" "*.sh" "*.cfg" "*.tac" "*.go"\
    "*.vcproj" "*.vsprops" "*.make" "*.gyp" "*.gypi" "*.isolate" "*.java"\
    "*.js" "*.html" "*.css" "*.ebuild" "*.pl" "*.pm" "*.yaml" "*.gn" "*.gni"\
-   "*.json" "DEPS" "*/DEPS" "*.mojom"
+   "*.json" "DEPS" "*/DEPS" "*.mojom" "*.proto"