diff --git a/.gitattributes b/.gitattributes
index 2253303d2..e282c932c 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -9,6 +9,9 @@
 # Files that should be left untouched (binary is macro for -text -diff)
 *.ref           binary
 
+# Preserve signature for .cargo/vendor files (from the tarabll)
++/.cargo/vendor binary
+
 #
 # Exclude files from exporting
 #