diff --git a/mix.exs b/mix.exs
index 41abdc3..1276154 100644
--- a/mix.exs
+++ b/mix.exs
@@ -8,7 +8,7 @@ defmodule AgentObs.MixProject do
     [
       app: :agent_obs,
       version: @version,
-      elixir: "~> 1.18",
+      elixir: "~> 1.20",
       start_permanent: Mix.env() == :prod,
       deps: deps(),
       description: description(),