diff --git a/.Rbuildignore b/.Rbuildignore
index baf7fd5..924cd18 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -4,3 +4,4 @@ Images
 jss
 .travis.yml
 LICENSE
+README.md
\ No newline at end of file
diff --git a/DESCRIPTION b/DESCRIPTION
index 7958113..171ce63 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -20,8 +20,9 @@ Depends:
     R (>= 3.1.0),ggplot2,
     gridExtra,scales,
 Suggests:
-    rmarkdown
+    rmarkdown,
+	knitr
 License: GPL-2
 LazyData: true
-VignetteBuilder: rmarkdown
+VignetteBuilder: knitr
 RoxygenNote: 5.0.1