diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000000000000000000000000000000000000..3df2c0d24dd2df4131aba6012a27a1ebf081beb2
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.asn binary 
\ No newline at end of file