diff --git a/pineappl_py/pyproject.toml b/pineappl_py/pyproject.toml
index 1bccab67..37adb15e 100644
--- a/pineappl_py/pyproject.toml
+++ b/pineappl_py/pyproject.toml
@@ -7,7 +7,7 @@ name = "pineappl"
 # due to a bug in warehouse, https://github.com/pypi/warehouse/issues/8090, this file must be the
 # same across all wheels of a single version and therefore `requires-python` must give the minimum
 # Python version that we support
-requires-python = ">=3.6"
+requires-python = ">=3.7"
 classifiers = [
   "Development Status :: 4 - Beta",
   "Intended Audience :: Science/Research",