diff --git a/.gitignore b/.gitignore
index b30c2a42e5667bebff21f2f4f26bb74e8ad34a35..b660903a75d6ac9e1b15c5661f6c430b6b5a8252 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,5 @@
 doc/presentation_files
 doc/presentation.html
 doc/presentation.pdf
+*.Rproj
+.Rhistory