diff --git a/.gitattributes b/.gitattributes
index 8035e26a7..2de3643a1 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -6,3 +6,4 @@
 # Denote all files that are truly binary and should not be modified.
 *.png binary
 *.jpg binary
+*.cae binary