diff --git a/.github/workflows/eleventy.yaml b/.github/workflows/eleventy.yaml
new file mode 100644
index 0000000..622277b
--- /dev/null
+++ b/.github/workflows/eleventy.yaml
@@ -0,0 +1,13 @@
+name: eleventy
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@master
+      - name: get last sha
+        run: echo "LAST_COMMIT=`git rev-parse --short HEAD`" >> $GITHUB_ENV
+      - name: Build
+        uses: TartanLlama/actions-eleventy@master
diff --git a/src/_data/site.js b/src/_data/site.js
index 9ff7c7c..10ee0c1 100644
--- a/src/_data/site.js
+++ b/src/_data/site.js
@@ -1,7 +1,7 @@
 const siteConfig = {
   name: "rizaldy.today",
   repo: "https://github.com/faultables/rizaldy.today",
-  last_commit: "main",
+  last_commit: process.env.LAST_COMMIT || "main",
   author: {
     name: "Rizaldy",
     avatar: "/assets/img/avatar.jpeg",
diff --git a/src/_includes/elements/footer.liquid b/src/_includes/elements/footer.liquid
index 8a4638b..01163cc 100644
--- a/src/_includes/elements/footer.liquid
+++ b/src/_includes/elements/footer.liquid
@@ -12,7 +12,7 @@
       <li><a class="u-no-underline u-underline--hover" href="/colophon">Colophon</a></li>
       <li>
         <a class="u-no-underline u-underline--hover" href="{{ site.repo }}/commit/{{ site.last_commit }}"
-          >Source Code</a
+         >Source Code ({{ site.last_commit }})</a
         >
       </li>
     </ul>