diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 453c570..c28972d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,8 +18,8 @@ jobs:
       matrix:
         include:
           - pair:
-              elixir: '1.18.3-otp-27'
-              otp: '27.3.1'
+              elixir: '1.19.5-otp-28'
+              otp: '28.4.1'
 
     runs-on: ubuntu-24.04
 
diff --git a/.tool-versions b/.tool-versions
new file mode 100644
index 0000000..f7487cb
--- /dev/null
+++ b/.tool-versions
@@ -0,0 +1,2 @@
+elixir 1.19.5-otp-28
+erlang 28.4.1
diff --git a/lib/aura/util/doc.ex b/lib/aura/util/doc.ex
index b437131..43e4e22 100644
--- a/lib/aura/util/doc.ex
+++ b/lib/aura/util/doc.ex
@@ -279,7 +279,7 @@ defmodule Aura.Doc do
     * #{maintainer_github()}
     * #{see_link("Elixir Form: camatcode", "https://elixirforum.com/u/camatcode/", "⚗️")}
     * #{maintainer_fediverse()}
-    * #{see_link("bsky: @ckcook.studiocms.io", "https://bsky.app/profile/ckcook.studiocms.io", "🦋️")}
+    * #{see_link("bsky: @elixir.blog", "https://bsky.app/profile/elixir.blog", "🦋️")}
     "
   end
 
diff --git a/mix.exs b/mix.exs
index 6e0626a..2b39dfa 100644
--- a/mix.exs
+++ b/mix.exs
@@ -8,18 +8,11 @@ defmodule Aura.MixProject do
     [
       app: :aura,
       version: @version,
-      elixir: "~> 1.18",
+      elixir: "~> 1.19",
       start_permanent: Mix.env() == :prod,
       deps: deps(),
       elixirc_paths: elixirc_paths(Mix.env()),
       test_coverage: [tool: ExCoveralls],
-      preferred_cli_env: [
-        coveralls: :test,
-        "coveralls.detail": :test,
-        "coveralls.post": :test,
-        "coveralls.html": :test,
-        "coveralls.cobertura": :test
-      ],
       # Hex
       package: package(),
       description: """
@@ -101,6 +94,18 @@ defmodule Aura.MixProject do
     ]
   end
 
+  def cli do
+    [
+      preferred_envs: [
+        coveralls: :test,
+        "coveralls.detail": :test,
+        "coveralls.post": :test,
+        "coveralls.html": :test,
+        "coveralls.cobertura": :test
+      ]
+    ]
+  end
+
   # Run "mix help deps" to learn about dependencies.
   defp deps do
     [