diff --git a/.Rbuildignore b/.Rbuildignore
index 173983b..cd33225 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -1,3 +1,4 @@
+^CRAN-RELEASE$
 ^.*\.Rproj$
 ^\.Rproj\.user$
 ^\.travis\.yml$