diff --git a/.github/workflows/automatic_testing.yml b/.github/workflows/automatic_testing.yml
index 63cf84e8..de03a00b 100644
--- a/.github/workflows/automatic_testing.yml
+++ b/.github/workflows/automatic_testing.yml
@@ -23,7 +23,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
         os: [ubuntu-latest, macos-latest, windows-latest]
 
     steps:
diff --git a/pyproject.toml b/pyproject.toml
index 65100c0d..08fe5571 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ description = "Simulation and Image Processing for Photonics and Acoustics"
 license = {text = "MIT"}
 readme = "README.md"
 keywords = ["simulation", "photonics", "acoustics"]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 dependencies = [
     "matplotlib>=3.5.0",       # Uses PSF-License (MIT compatible)
     "numpy>=1.21.4",           # Uses BSD-License (MIT compatible)