Update
diff --git a/.Rbuildignore b/.Rbuildignore
index 91114bf..7b93970 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -1,2 +1,2 @@
 ^.*\.Rproj$
-^\.Rproj\.user$
+^.*\.Rproj\.user$