diff --git a/pyproject.toml b/pyproject.toml
index c16fc198..21653ef7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ packages = [{include = 'climate_indices', from = 'src'}]
 [tool.poetry.dependencies]
 dask = '2022.2.0'
 numba = '0.57.0'
-python = '^3.11'
+python = '>=3.8,^3.11'
 scipy = '1.9.3'
 xarray = '2023.1.0'