diff --git a/packages b/packages
index aaee40c..f2afdf0 100644
--- a/packages
+++ b/packages
@@ -107,6 +107,7 @@ R-DT
 R-DendSer
 R-Deriv
 R-DescTools
+R-DiagrammeR
 R-DistributionUtils
 R-DoseFinding
 R-Ecdat