diff --git a/README.md b/README.md
index e3953d3..5ac8c82 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,8 @@
 # install.packages("devtools")
 devtools::install_github("rstudio/rmarkdown")
 
+install.packages("kableExtra")
+
 # For dev version
 devtools::install_github("haozhu233/kableExtra")
 ```