diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 125bc276..c6c198b9 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -10,6 +10,10 @@ on:
   schedule:
     - cron: '0 18 * * SUN'
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   pre_commit:
     name: Run pre-commit hooks
diff --git a/setup.py b/setup.py
index bc92afe3..fc488c59 100644
--- a/setup.py
+++ b/setup.py
@@ -172,7 +172,7 @@ def run(self):
 setup_args = dict(
     name='geoviews',
     version=get_setup_version("geoviews"),
-    python_requires = '>=3.7',
+    python_requires = '>=3.8',
     install_requires = _required,
     extras_require = extras_require,
     tests_require = extras_require['tests'],