diff --git a/CHANGELOG.md b/CHANGELOG.md
index 412dc53..10625c6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ This file contains the list of changes made to the JLS project.
 
 * Migrated to numpy 2.
 * Added Python 3.13 support.
+* Dropped Python 3.9 support.
 
 
 ## 0.10.0
diff --git a/setup.py b/setup.py
index e76816b..96854ca 100644
--- a/setup.py
+++ b/setup.py
@@ -169,7 +169,6 @@ def run(self):
         # Supported Python versions
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3.12',
@@ -194,7 +193,7 @@ def run(self):
     include_dirs=[],
     
     # See https://packaging.python.org/guides/distributing-packages-using-setuptools/#python-requires
-    python_requires='~=3.9',
+    python_requires='~=3.10',
 
     # See https://packaging.python.org/en/latest/requirements.html
     install_requires=[