diff --git a/elixir_buildpack.config b/elixir_buildpack.config
index 0b9c204..f4d411d 100644
--- a/elixir_buildpack.config
+++ b/elixir_buildpack.config
@@ -1,5 +1,5 @@
 # Erlang version
-erlang_version=OTP-27.2
+erlang_version=27.1.3
 
 # Elixir version
 elixir_version=1.18.2