diff --git a/install/pinchflat-install.sh b/install/pinchflat-install.sh
index b40f491b..32e8bd95 100644
--- a/install/pinchflat-install.sh
+++ b/install/pinchflat-install.sh
@@ -19,6 +19,9 @@ $STD apt install -y \
   build-essential \
   elixir \
   erlang-dev \
+  erlang-inets \
+  erlang-os-mon \
+  erlang-runtime-tools \
   erlang-syntax-tools \
   erlang-xmerl \
   git \