diff --git a/.gitattributes b/.gitattributes
index b634d85..2f592ab 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1 +1,2 @@
 *.pdf filter=lfs diff=lfs merge=lfs -text
+*.so filter=lfs diff=lfs merge=lfs -text
diff --git a/a.so b/a.so
new file mode 100644
index 0000000..ae50eb7
--- /dev/null
+++ b/a.so
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a08a92258f621b55d08ad1e84c90c2ea6286fc6b6c9a4dfa7156afb16c190170
+size 524288000