diff --git a/README.md b/README.md
index b85ce4c..ed3f0ba 100644
--- a/README.md
+++ b/README.md
@@ -53,6 +53,16 @@ Requires `pip` (e.g. `pacman -S --needed python-pip`):
 sudo python3 -m pip install --upgrade --index-url https://test.pypi.org/simple/ --no-deps de.p1st.exec-notify
 ```
 
+Note: Make sure that pip is up-to-date and matches your python version:
+
+```shell
+python --version
+#=> Python 3.10.1
+
+pip --version
+#=> pip 20.3.4 from /usr/lib/python3.10/site-packages/pip (python 3.10)
+```
+
 ## Configuration
 
 Create configuration file `/etc/execNotify/cfg.ini`: