diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index ecbb035..c7bd032 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -16,7 +16,7 @@ jobs:
         python: [3.11, 3.12]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python }}
         uses: actions/setup-python@v4
         with:
@@ -35,7 +35,7 @@ jobs:
           coverage run -m unittest -v stree.tests
           coverage xml
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: ./coverage.xml
diff --git a/pyproject.toml b/pyproject.toml
index c7a6a28..ae00db6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ authors = [
   { name = "Ricardo Montañana", email = "ricardo.montanana@alu.uclm.es" },
 ]
 dynamic = ['version']
-requires-python = ">=3.8"
+requires-python = ">=3.11"
 keywords = [
   "scikit-learn",
   "oblique-classifier",
@@ -30,9 +30,6 @@ classifiers = [
   "License :: OSI Approved :: MIT License",
   "Natural Language :: English",
   "Operating System :: OS Independent",
-  "Programming Language :: Python :: 3.8",
-  "Programming Language :: Python :: 3.9",
-  "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
 ]