diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 18e48e8..ecfd6bf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,8 +7,8 @@ on:
 
 env:
   MIX_ENV: test
-  OTP_VERSION: 27.3
-  ELIXIR_VERSION: 1.18.3
+  OTP_VERSION: 28.0.2
+  ELIXIR_VERSION: 1.19.0-rc.0
 
 jobs:
   code-quality:
diff --git a/.tool-versions b/.tool-versions
index 43e9701..e52a7e1 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,2 +1,2 @@
-elixir 1.18.3-otp-27
-erlang 27.3.4
+elixir 1.19.0-rc.0-otp-28
+erlang 28.0.2
diff --git a/mix.exs b/mix.exs
index 477ea4e..0b8fb2a 100644
--- a/mix.exs
+++ b/mix.exs
@@ -5,7 +5,7 @@ defmodule Cen.MixProject do
     [
       app: :cen,
       version: "0.1.0",
-      elixir: "~> 1.17",
+      elixir: "~> 1.19.0-rc.0",
       elixirc_paths: elixirc_paths(Mix.env()),
       start_permanent: Mix.env() == :prod,
       aliases: aliases(),