diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..87258a8
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,52 @@
+name: CI
+
+on:
+  push:
+    paths-ignore:
+    - '**/*.md'
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    continue-on-error: ${{ matrix.experimental }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        emacs-version:
+          - 26.3
+          - 27.2
+          - 28.2
+          - 29.3
+        experimental: [false]
+        include:
+        - os: ubuntu-latest
+          emacs-version: snapshot
+          experimental: true
+        - os: macos-latest
+          emacs-version: snapshot
+          experimental: true
+        - os: windows-latest
+          emacs-version: snapshot
+          experimental: true
+    steps:
+    - uses: jcs090218/setup-emacs@master
+      with:
+        version: ${{ matrix.emacs-version }}
+
+    - uses: emacs-eask/setup-eask@master
+      with:
+        version: 'snapshot'
+
+    - uses: actions/checkout@v4
+
+    - name: Run make
+      run: |
+        eask package
+        eask install
+        eask compile
diff --git a/.gitignore b/.gitignore
index 315998e..9370b4f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,6 @@
 *.elc
 /.cask/
+/.eask/
+/dist/
 /composer.lock
 /vendor/
diff --git a/Eask b/Eask
new file mode 100644
index 0000000..7cf9ccf
--- /dev/null
+++ b/Eask
@@ -0,0 +1,21 @@
+;; -*- mode: eask; lexical-binding: t -*-
+
+(package "psysh"
+         "0.1.1"
+         "PsySH, PHP interactive shell (REPL)")
+
+(website-url "https://github.com/emacs-php/psysh.el")
+(keywords "processes" "php")
+
+(package-file "psysh.el")
+
+(script "test" "echo \"Error: no test specified\" && exit 1")
+
+(source 'gnu)
+(source 'melpa)
+
+(depends-on "emacs" "24.3")
+(depends-on "s")
+(depends-on "php-runtime")
+
+(setq network-security-level 'low)  ; see https://github.com/jcs090218/setup-emacs-windows/issues/156#issuecomment-932956432
diff --git a/psysh.el b/psysh.el
index 604b2b3..d7aeabf 100644
--- a/psysh.el
+++ b/psysh.el
@@ -230,11 +230,11 @@ See `psysh-mode-output-syntax-table'."
 
 (defcustom psysh-doc-buffer-color 'auto
   "Coloring PsySH buffer."
-  :type '(choice (const :tag "Auto detect color mode." 'auto)
-                 (const :tag "Use only PsySH original coloring." 'only-psysh)
-                 (const :tag "Use only Emacs font-lock coloring." 'only-emacs)
-                 (const :tag "Use multiple coloring mechanism." 'mixed)
-                 (const :tag "No coloring." 'none)))
+  :type '(choice (const :tag "Auto detect color mode." auto)
+                 (const :tag "Use only PsySH original coloring." only-psysh)
+                 (const :tag "Use only Emacs font-lock coloring." only-emacs)
+                 (const :tag "Use multiple coloring mechanism." mixed)
+                 (const :tag "No coloring." none)))
 
 (defcustom psysh-doc-display-function #'view-buffer-other-window
   "Function to display PsySH doc buffer."