diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..cfd7bc5
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+src/main/java/uno/fastcampus/testdata/* -linguist-vendored
+src/test/java/uno/fastcampus/testdata/* -linguist-vendored