diff --git a/.gitignore b/.gitignore
index ef9f4ea2c312ad2922097857e152320a29679e94..f0218f726f66a2a50fcb06dc57fc7babf8ba9524 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+.Rdata
 *.Rproj     
 .Rhistory                  
 .Rproj.*