diff --git a/.github/workflows/action.yml b/.github/workflows/action.yml
index a7d98277..06aaa12d 100644
--- a/.github/workflows/action.yml
+++ b/.github/workflows/action.yml
@@ -39,5 +39,5 @@ jobs:
           python-version: 3.9
       - uses: ./
         with:
-          python-versions: "3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 3.10, 3.11, 3.12, pypy-2.7, pypy-3.7, pypy-3.8, pypy-3.9-v7.3.9"
+          python-versions: "3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 3.10, 3.11, 3.12, 3.13, pypy-2.7, pypy-3.7, pypy-3.8, pypy-3.9-v7.3.9"
       - run: nox --non-interactive --error-on-missing-interpreter --session github_actions_all_tests
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5be101ae..0c4235a1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,13 +17,14 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04, windows-latest, macos-latest]
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
+          allow-prereleases: true
       - name: Set up Miniconda
         uses: conda-incubator/setup-miniconda@v2
         with:
diff --git a/action.yml b/action.yml
index 6b230160..d33a60b9 100644
--- a/action.yml
+++ b/action.yml
@@ -4,7 +4,7 @@ inputs:
   python-versions:
     description: "comma-separated list of python versions to install"
     required: false
-    default: "3.7, 3.8, 3.9, 3.10, 3.11, 3.12, pypy-3.7, pypy-3.8, pypy-3.9"
+    default: "3.7, 3.8, 3.9, 3.10, 3.11, 3.12, 3.13, pypy-3.7, pypy-3.8, pypy-3.9"
 branding:
   icon: package
   color: blue
diff --git a/noxfile.py b/noxfile.py
index 3ebed4b6..3cd4773d 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -31,7 +31,7 @@
     nox.options.sessions.append("conda_tests")
 
 
-@nox.session(python=["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"])
+@nox.session(python=["3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13"])
 def tests(session: nox.Session) -> None:
     """Run test suite with pytest."""
     session.create_tmp()  # Fixes permission errors on Windows
@@ -138,6 +138,7 @@ def _check_python_version(session: nox.Session) -> None:
         "3.10",
         "3.11",
         "3.12",
+        "3.13",
         "pypy3.7",
         "pypy3.8",
         "pypy3.9",
@@ -158,6 +159,7 @@ def github_actions_default_tests(session: nox.Session) -> None:
         "3.10",
         "3.11",
         "3.12",
+        "3.13",
         "pypy3.7",
         "pypy3.8",
         "pypy3.9",
diff --git a/tests/test_virtualenv.py b/tests/test_virtualenv.py
index 3a02a7de..4c95b5de 100644
--- a/tests/test_virtualenv.py
+++ b/tests/test_virtualenv.py
@@ -175,16 +175,16 @@ def test_condaenv_create_with_params(make_conda):
 
 @pytest.mark.skipif(not HAS_CONDA, reason="Missing conda command.")
 def test_condaenv_create_interpreter(make_conda):
-    venv, dir_ = make_conda(interpreter="3.7")
+    venv, dir_ = make_conda(interpreter="3.8")
     venv.create()
     if IS_WINDOWS:
         assert dir_.join("python.exe").check()
-        assert dir_.join("python37.dll").check()
-        assert dir_.join("python37.pdb").check()
+        assert dir_.join("python38.dll").check()
+        assert dir_.join("python38.pdb").check()
         assert not dir_.join("python37.exe").check()
     else:
         assert dir_.join("bin", "python").check()
-        assert dir_.join("bin", "python3.7").check()
+        assert dir_.join("bin", "python3.8").check()
 
 
 @pytest.mark.skipif(not HAS_CONDA, reason="Missing conda command.")