diff --git a/.github/workflows/dev.yml b/.github/workflows/dev.yml
index 3a205db..0daa1c0 100644
--- a/.github/workflows/dev.yml
+++ b/.github/workflows/dev.yml
@@ -31,6 +31,7 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-versions }}
+          allow-prereleases: true
 
       - name: Install dependencies
         run: |
@@ -71,7 +72,7 @@ jobs:
       - name: list files
         run: ls -l .
 
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
             token: ${{ secrets.CODECOV_TOKEN }}
             fail_ci_if_error: true
diff --git a/pyproject.toml b/pyproject.toml
index e6ebac0..f021161 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,6 @@ classifiers = [
     'Programming Language :: Python :: 3.10',
     'Programming Language :: Python :: 3.11',
     'Programming Language :: Python :: 3.12',
-    'Programming Language :: Python :: 3.13',
 ]
 packages = [
     { include = "requests_oauth2client" },