diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 0719ec8b4..69c1a5f9f 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -34,7 +34,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13', '3.14']
+        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14']
 
     steps:
     - name: Checkout repository
@@ -63,7 +63,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13', '3.14']
+        python-version: ['3.10', '3.11', '3.12', '3.13', '3.14']
 
     steps:
     - name: Checkout repository
diff --git a/pyproject.toml b/pyproject.toml
index 385b8008b..335742bb9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,6 @@ classifiers = [
     'Intended Audience :: Other Audience',
     'Topic :: Text Processing',
     'Topic :: Text Processing :: Markup :: XML',
-    'Programming Language :: Python :: 3.9',
     'Programming Language :: Python :: 3.10',
     'Programming Language :: Python :: 3.11',
     'Programming Language :: Python :: 3.12',