diff --git a/.github/workflows/create_archive.py b/.github/workflows/create_archive.py
new file mode 100644
index 0000000..9e8b80e
--- /dev/null
+++ b/.github/workflows/create_archive.py
@@ -0,0 +1,16 @@
+from pathlib import Path
+import hashlib
+import platform
+import shutil
+
+# Create archive
+shutil.make_archive("dist/gistim", "zip", "dist/gistim")
+
+# Create a checksum
+path = Path("dist/gistim.zip")
+with open(path, "rb", buffering=0) as f:
+    sha256_hash = hashlib.file_digest(f, "sha256").hexdigest()
+
+# Include it in the filename.
+filename = f"dist/gistim-{platform.system()}-{sha256_hash}.zip"
+path.rename(filename)
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
new file mode 100644
index 0000000..51b54ca
--- /dev/null
+++ b/.github/workflows/release.yml
@@ -0,0 +1,31 @@
+name: release
+
+on:
+  push:
+    branches:
+    - main
+  pull_request:
+    branches:
+    - main
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    matrix:
+      os:
+        - ubuntu-latest
+        - macOS-latest
+        - windows-latest
+    steps:
+      - name: Check out repo
+        uses: actions/checkout@v4
+      - name: Setup Pixi
+        uses: prefix-dev/setup-pixi@v0.4.1
+      - name: Build with PyInstaller
+        run: pixi run build-backend
+      - name: Create ZIP Archive
+        run: pixi run create-archive
+      - name: Upload archive
+        uses: softprops/action-gh-release@v1
+        with: 
+          files: *.zip
diff --git a/pixi.toml b/pixi.toml
index 89af3ee..1273a7b 100644
--- a/pixi.toml
+++ b/pixi.toml
@@ -13,6 +13,7 @@ repository = "https://github.com/Deltares/qgis-tim"
 [tasks]
 install = "pip install --no-deps --editable ."
 build-backend = "pyinstaller gistim/__main__.py --name gistim"
+create-archive = "python .github/workflows/create_archive.py"
 
 [dependencies]
 python = "3.11"