diff --git a/.github/workflows/pullrequest.yml b/.github/workflows/pullrequest.yml
index 0d02634..15ac103 100644
--- a/.github/workflows/pullrequest.yml
+++ b/.github/workflows/pullrequest.yml
@@ -17,7 +17,7 @@ jobs:
     strategy:
       max-parallel: 3
       matrix:
-        python-version: [3.7, 3.8, "3.9", "3.10"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/pyproject.toml b/pyproject.toml
index 734bbdb..b3f8e4c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ build-backend = 'setuptools.build_meta'
 [project]
 name='stylist'
 description="Flexible source code style checking tool"
-requires-python = '>=3.7, <4'
+requires-python = '>=3.9'
 license = {text = 'BSD 3-Clause License'}
 dependencies = ['fparser >= 0.1.2']
 dynamic = ['version', 'readme']