diff --git a/.Rbuildignore b/.Rbuildignore
index 7629719..52b9839 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -2,3 +2,8 @@
 ^\.Rproj\.user$
 inst\examples
 inst\\logo
+^.*\.Rproj$
+^\.Rproj\.user$
+inst\examples
+inst\\logo
+inst\\concepts