diff --git a/.github/workflows/run_tests.yml b/.github/workflows/run_tests.yml
index 330cdeb..cf26f32 100644
--- a/.github/workflows/run_tests.yml
+++ b/.github/workflows/run_tests.yml
@@ -31,7 +31,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
     - uses: actions/checkout@v4
diff --git a/pyproject.toml b/pyproject.toml
index 7243809..de99457 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,18 +34,19 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "License :: OSI Approved :: MIT License",
     "Operating System :: OS Independent",
     "Development Status :: 3 - Alpha",
 ]
-requires-python = ">=3.9,<3.12"
+requires-python = ">=3.9,<3.14"
 dependencies = [
     "py_wake>=2.6.5",
     "foxes>=1.6.2",
     "windIO @ git+https://github.com/EUFlow/windIO.git",
     "wayve @ git+https://gitlab.kuleuven.be/TFSO-software/wayve@dev_foxes",
-    #"numpy<2",
-    "xarray>=2022.0.0,<2025",
+    "xarray>=2022.0.0",
     "mpmath",
 ]