diff --git a/.github/workflows/fetch-releases.yml b/.github/workflows/fetch-releases.yml
new file mode 100644
index 0000000..4af09d1
--- /dev/null
+++ b/.github/workflows/fetch-releases.yml
@@ -0,0 +1,17 @@
+name: fetching-releases
+on:
+  schedule:
+    - cron: '0 */12 * * *'
+  workflow_dispatch:
+jobs:
+  update-sources:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4.1.2
+      - uses: cachix/install-nix-action@v26
+        with:
+          nix_path: nixpkgs=channel:nixos-unstable
+      - run: ./fetch-releases.py
+      - uses: stefanzweifel/git-auto-commit-action@v5.0.1
+        with:
+          commit_message: "ci: Update sources.json"