diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 93fb80e..4cc10ce 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -11,7 +11,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-latest, ubuntu-latest, windows-latest]
-        python-version: ['3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
     runs-on: ${{ matrix.os }}
     steps:
     - name: checkout
@@ -41,7 +41,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [macos-latest, ubuntu-latest, windows-latest]
-        python-version: ['3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4
diff --git a/pyproject.toml b/pyproject.toml
index d8579a5..678aba4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ dependencies = [
   'numpy',
 ]
 name = 'automesh'
-requires-python = '>=3.9,<3.13'
+requires-python = '>=3.8,<3.13'
 
 [project.optional-dependencies]
 dev = [