diff --git a/README.md b/README.md
index 2a9070d76..f3f60c836 100644
--- a/README.md
+++ b/README.md
@@ -50,13 +50,13 @@ pick the one that best fits your use case.
 You can run Livebook on your own machine. You will need
 [Elixir v1.12](https://elixir-lang.org/install.html) or later.
 Livebook also requires the following Erlang applications: `inets`,
-`os_mon`, `runtime_tools`, and `ssl`. Those applications come with
-most Erlang distributions but certain package managers may split
+`os_mon`, `runtime_tools`, `ssl` and `xmerl`. Those applications come
+with most Erlang distributions but certain package managers may split
 them apart. For example, on Ubuntu, these Erlang applications could
 be installed as follows:
 
 ```shell
-sudo apt install erlang-inets erlang-os-mon erlang-runtime-tools erlang-ssl
+sudo apt install erlang-inets erlang-os-mon erlang-runtime-tools erlang-ssl erlang-xmerl erlang-dev erlang-parsetools
 ```
 
 #### Escript