diff --git a/intro.Rmd b/intro.Rmd
index c613331..0ad9d24 100644
--- a/intro.Rmd
+++ b/intro.Rmd
@@ -146,8 +146,9 @@ install.packages <- function(...) invisible()
 ```
 ```{r}
 pkgs <- c(
-  "broom", "dplyr", "ggplot2", "jsonlite", "Lahman", "purrr", 
-  "rcorpora", "readr", "rmarkdown", "stringr", "tibble", "tidyr"
+  "dplyr", "gapminder", "ggplot2", "jsonlite", "Lahman", 
+  "lubridate", "modelr", "nycflights13", "purrr", "readr", 
+  "stringr", "tibble", "tidyr"
 )
 install.packages(pkgs)
 ```