diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f3648be..dd3d6a1 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.11", "3.12", "3.13"]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/README.rst b/README.rst
index bd81593..bf2aa0c 100644
--- a/README.rst
+++ b/README.rst
@@ -41,7 +41,7 @@ For detailed citation information, please refer to the `CITATION.cff <./CITATION
 Requirements
 ============
 
-* `Python 3.9+ <https://www.python.org/downloads/release/python-380/>`_
+* `Python 3.11+ <https://www.python.org/downloads/release/python-311/>`_
 * `eFEL eFeature Extraction Library <https://github.com/openbraininstitute/eFEL>`_ (automatically installed by pip)
 * `Numpy <http://www.numpy.org>`_ (automatically installed by pip)
 * `Scipy <https://www.scipy.org/>`_ (automatically installed by pip)
diff --git a/pyproject.toml b/pyproject.toml
index b34bf47..d2fbbda 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,14 +10,14 @@ authors = [
 description="Blue Brain Python E-feature extraction"
 readme = "README.rst"
 license = {file = "LICENSE.txt"}
-requires-python = ">= 3.9"
+requires-python = ">= 3.11"
 dynamic = ["version"]
 dependencies = [
     "numpy",
     "neo",
     "matplotlib",
     "efel",
-    "scipy<1.15",
+    "scipy>=1.16.1",
     "h5py",
     "igor2",
 ]
diff --git a/tox.ini b/tox.ini
index 69bf8e8..cc8b5a7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,14 +6,13 @@ minversion = 4
 
 [gh-actions]
 python =
-    3.9: py3
-    3.10: py3
     3.11: py3
     3.12: py3, docs
+    3.13: py3
 
 [testenv]
 envdir =
-    py3{9,10,11,12,}{-functional,-notebooks,-style,-syntax}: {toxworkdir}/py3
+    py3{11,12,13,}{-functional,-notebooks,-style,-syntax}: {toxworkdir}/py3
     docs: {toxworkdir}/docs
 usedevelop = true
 deps =