diff --git a/README.md b/README.md
index d119f19..becdeb6 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ MeteoSwiss Weather Station Measurements for Spatiotemporal Deep Learning.
 
 <p>
 <a href='https://pypi.org/project/peakweather/'><img alt="PyPI" src="https://img.shields.io/pypi/v/peakweather"></a>
-<img alt="PyPI - Python Version" src="https://img.shields.io/badge/python-%3E%3D3.8-blue">
+<img alt="PyPI - Python Version" src="https://img.shields.io/badge/python-%3E%3D3.9-blue">
 <a href='https://peakweather.readthedocs.io/latest/'><img src='https://readthedocs.org/projects/peakweather/badge/?version=latest' alt='Documentation Status' /></a>
 <a href='https://pepy.tech/projects/peakweather'><img src='https://static.pepy.tech/badge/peakweather' alt='Total Downloads' /></a>
 </p>
@@ -51,7 +51,7 @@ Install PeakWeather from PyPI:
 pip install peakweather
 ```
 
-This installs the base package with support for station measurements and NWP predictions.
+This installs the base package with support for station measurements.
 To also access the topographical descriptors and the NWP data, install the extra dependencies:
 
 ```shell
diff --git a/pyproject.toml b/pyproject.toml
index 390337e..beb3f07 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ authors = [
 ]
 license = { file = "LICENSE" }
 readme = "README.md"
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dynamic = ["version"]
 
 # Core dependencies
@@ -30,7 +30,7 @@ module = "peakweather"
 [tool.ruff]
 line-length = 88
 indent-width = 4
-target-version = "py38"
+target-version = "py39"
 exclude = ["test"]
 
 [tool.ruff.lint]