diff --git a/elixir_buildpack.config b/elixir_buildpack.config
index e650d238..2d8b2d3f 100644
--- a/elixir_buildpack.config
+++ b/elixir_buildpack.config
@@ -1,8 +1,8 @@
 # Elixir version
-elixir_version=1.10
+elixir_version=1.10.4
 
 # Erlang version
 # available versions https://github.com/HashNuke/heroku-buildpack-elixir-otp-builds/blob/master/otp-versions
-erlang_version=22.2.7
+erlang_version=23.0.4
 
 # always_rebuild=true