diff --git a/content/en/admin/install.md b/content/en/admin/install.md
index 29c716fd..a7833008 100644
--- a/content/en/admin/install.md
+++ b/content/en/admin/install.md
@@ -47,7 +47,8 @@ apt install -y \
   bison build-essential libssl-dev libyaml-dev libreadline6-dev \
   zlib1g-dev libncurses5-dev libffi-dev libgdbm-dev \
   nginx nodejs redis-server redis-tools postgresql postgresql-contrib \
-  certbot python3-certbot-nginx libidn11-dev libicu-dev libjemalloc-dev
+  certbot python3-certbot-nginx libidn11-dev libicu-dev libjemalloc-dev \
+  yarnpkg
 ```
 
 #### Yarn {#yarn}