diff --git a/.Rbuildignore b/.Rbuildignore
index 16b7214..3ba1306 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -22,4 +22,4 @@ revdep*
 README.Rmd
 ^altdoc$
 ^docs$
-^vignettes/$
+^vignettes/