diff --git a/eos/__init__.py b/eos/__init__.py
index 6ea5a3c..8a71f42 100644
--- a/eos/__init__.py
+++ b/eos/__init__.py
@@ -2,5 +2,5 @@
 Package to handle data redction at AMOR instrument to be used by __main__.py script.
 """
 
-__version__ = '3.0.2'
-__date__    = '2025-10-10'
+__version__ = '3.0.3'
+__date__    = '2025-10-28'
diff --git a/update.md b/update.md
new file mode 100644
index 0000000..e7f3c6a
--- /dev/null
+++ b/update.md
@@ -0,0 +1,16 @@
+Make new release
+================
+
+- Update revision in `eos/__init__.py`
+- Commit changes `git commit -a -m "your message here"`
+- Tag version `git tag v3.x.y`
+- Push changes `git push` and `git push --tags`
+- This should trigger the **Release** action on GitHub that builds a new version and uploads it to PyPI.
+
+
+Update on AMOR
+==============
+
+- Login via SSH using the **amor** user.
+- Activate eos virtual environment `source /home/software/virtualenv/eosenv/bin/activate`
+- Update eos packge `pip install --upgrade amor-eos`