diff --git a/.gitignore b/.gitignore
index 28ed554..7760111 100644
--- a/.gitignore
+++ b/.gitignore
@@ -63,3 +63,6 @@ typings/
 
 # next.js build output
 .next
+
+# Artifacts
+*.svg
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
new file mode 100644
index 0000000..aef3266
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,21 @@
+# Contributing
+
+Welcome discussions, issues and PRs.
+
+## Development
+
+```shell
+npm install
+```
+
+### Docker
+
+While not required, you can also use [compose.yaml](compose.yaml) to execute commands.
+
+```shell
+docker compose run --rm node npm install
+```
+
+## Release
+
+Execute [version-up.yml](.github/workflows/version-up.yml) which includes building package and updating version.
diff --git a/action.yml b/action.yml
index 0e9eda6..9b98a01 100644
--- a/action.yml
+++ b/action.yml
@@ -11,7 +11,7 @@ inputs:
     required: true
     default: 'qrcode.png'
 runs:
-  using: 'node20'
+  using: 'node24'
   main: 'dist/index.js'
 branding:
   icon: 'grid'
diff --git a/compose.yaml b/compose.yaml
index d5b4f71..09440a0 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -1,6 +1,6 @@
 services:
   node:
-    image: node:20
+    image: node:24
     volumes:
       - .:/app
     working_dir: /app