diff --git a/package_lists/r_packages.txt b/package_lists/r_packages.txt
index a6a4daf..5c025b6 100644
--- a/package_lists/r_packages.txt
+++ b/package_lists/r_packages.txt
@@ -9,6 +9,7 @@ copula
 corrplot
 cowplot
 crayon
+crosstalk
 data.table
 dbx
 dccpp
@@ -43,6 +44,7 @@ glmnet
 gridExtra
 gt
 Hmisc
+htmlwidgets
 httpgd
 igraph
 inline