diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 000000000..4e16e90a4
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,9 @@
+*.ai binary
+*.pdf binary
+*.semd binary
+*.semv binary
+*.sema binary
+*.semp binary
+*.semc binary
+*.adj binary
+*.ascii binary