diff --git a/README.md b/README.md
index 28e5c07..2d88f9a 100644
--- a/README.md
+++ b/README.md
@@ -21,4 +21,6 @@ An action that simply sends a mail to multiple recipients.
     from: Luke Skywalker # <user@example.com>
     # Optional content type (defaults to text/plain):
     content_type: text/html
+    # Optional attachments
+    attachments: attachments.zip,git.diff,./dist/static/main.js
 ```
diff --git a/action.yml b/action.yml
index 116f0c2..4fc67af 100644
--- a/action.yml
+++ b/action.yml
@@ -33,6 +33,9 @@ inputs:
     description: Content-Type HTTP header (text/html or text/plain)
     required: false
     default: text/plain
+  attachments:
+    description: Files that will be added to mail message attachments (separated with comma)
+    required: false
 runs:
   using: node12
   main: main.js
diff --git a/main.js b/main.js
index 4ea3b84..ea67acd 100644
--- a/main.js
+++ b/main.js
@@ -30,6 +30,7 @@ async function main() {
         const to = core.getInput("to", { required: true })
         const from = core.getInput("from", { required: true })
         const content_type = core.getInput("content_type", { required: true })
+        const attachments = core.getInput("attachments", { required: false })
 
         const transport = nodemailer.createTransport({
             host: server_address,
@@ -47,6 +48,7 @@ async function main() {
             subject: subject,
             text: content_type != "text/html" ? get_body(body) : undefined,
             html: content_type == "text/html" ? get_body(body) : undefined,
+            attachments: attachments ? attachments.split(',').map(f => ({ path: f.trim() })) : undefined
         })
 
         console.log(info)