diff --git a/DESCRIPTION b/DESCRIPTION
index bb7ed51..ac28f2c 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -13,6 +13,7 @@ Imports:
   dplyr,
   DSR,
   ggplot2,
+  hexbin,
   htmltools,
   htmlwidgets,
   jpeg,
diff --git a/visualize.Rmd b/visualize.Rmd
index 54f4cb4..47990d9 100644
--- a/visualize.Rmd
+++ b/visualize.Rmd
@@ -6,7 +6,6 @@ output: bookdown::html_chapter
 
 ```{r setup, include=FALSE, message=FALSE}
 knitr::opts_chunk$set(cache = TRUE)
-if (!require(hexbin)) install.packages("hexbin")
 ```
 
 # Visualize Data