diff --git a/.github/workflows/test-suite.yml b/.github/workflows/test-suite.yml
index 2d9a9bab..6ccdec7c 100644
--- a/.github/workflows/test-suite.yml
+++ b/.github/workflows/test-suite.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.10', '3.11', '3.12', '3.13']
 
     steps:
     - uses: actions/checkout@v2
diff --git a/pyproject.toml b/pyproject.toml
index 854b4c41..d2ff53eb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ license = "BSD-3"
 readme = "README.md"
 
 [tool.poetry.dependencies]
-python = ">=3.9"
+python = ">=3.10"
 numpy = ">=1.14.0"
 scikit-learn = ">=1.0.0, <1.6.0"
 scipy = ">=1.0.0"