diff --git a/.github/workflows/_codecov.yaml b/.github/workflows/_codecov.yaml
index 19b6a47..9582397 100644
--- a/.github/workflows/_codecov.yaml
+++ b/.github/workflows/_codecov.yaml
@@ -48,7 +48,7 @@ jobs:
         run: python -m pip install ".[dev,test]"
 
       - name: Generate coverage report
-        run: pytest --cov --cov-report=xml
+        run: pytest --retries 1 --cov --cov-report=xml
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@1e68e06f1dbfde0e4cefc87efeba9e4643565303 #v5.1.2
diff --git a/pyproject.toml b/pyproject.toml
index 651c08d..6ec1869 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,8 +39,11 @@ keywords = [
 classifiers = [
   "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
   "Programming Language :: Python",
+  "Programming Language :: Python :: 3.9",
+  "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "Topic :: Software Development :: Libraries :: Python Modules",
   "Topic :: Utilities",
   "Topic :: Scientific/Engineering",