diff --git a/.github/workflows/update_packagist.yaml b/.github/workflows/update_packagist.yaml
new file mode 100644
index 0000000..d1b12fa
--- /dev/null
+++ b/.github/workflows/update_packagist.yaml
@@ -0,0 +1,18 @@
+name: Update Packagist
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  update-packagist:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Notify Packagist
+        env:
+          PACKAGIST_TOKEN: ${{ secrets.PACKAGIST_TOKEN }}
+        run: |
+          curl -X POST -H
+          'content-type:application/json'
+          'https://packagist.org/api/update-package?username=Vesper&apiToken=${{ secrets.PACKAGIST_TOKEN }}' \
+          -d '{"repository":{"url":"https://packagist.org/packages/vesper/unit-conversion"}}'