diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 000000000..1e9f8f7ca
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.dat filter=lfs diff=lfs merge=lfs -text
diff --git a/large_file.dat b/large_file.dat
new file mode 100644
index 000000000..cbd5e1f51
--- /dev/null
+++ b/large_file.dat
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:347bd562b80857c74aa630a3c61aeee1da6fb20940e960bfb72255dc796d928a
+size 11