diff --git a/.tool-versions b/.tool-versions
index b6d5c11..7483aa9 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,4 +1,4 @@
 elixir 1.14.1
 python 3.9.1
-nodejs 18.10.0
+nodejs 16.14.0
 erlang 24.2.1
diff --git a/phoenix_static_buildpack.config b/phoenix_static_buildpack.config
index e60e8de..2650d56 100644
--- a/phoenix_static_buildpack.config
+++ b/phoenix_static_buildpack.config
@@ -1 +1,3 @@
-node_version=14.20.1
+node_version=14.15.4
+
+yarn_version=1.22.10