diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1ef37c5..d11f6a8 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -33,6 +33,11 @@ jobs:
       matrix:
         os: ["ubuntu-latest", "windows-latest"]
         python: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        tox_env: ["py"]
+        include:
+          - os: "ubuntu-latest"
+            python: "3.9"
+            tox_env: "pytest7-py"
 
     steps:
     - uses: actions/checkout@v4
@@ -56,4 +61,4 @@ jobs:
     - name: Test
       shell: bash
       run: |
-        tox run -e py --installpkg `find dist/*.tar.gz`
+        tox run -e ${{ matrix.tox_env }} --installpkg `find dist/*.tar.gz`
diff --git a/tests/test_subtests.py b/tests/test_subtests.py
index e6c0193..ae08745 100644
--- a/tests/test_subtests.py
+++ b/tests/test_subtests.py
@@ -491,8 +491,8 @@ def test_foo(self):
                     r".* 6 failed, 5 skipped in .*",
                 ]
             )
-            # check with `--no-fold-skipped` (which gives the correct information)
-            if sys.version_info >= (3, 10):
+            # Check with `--no-fold-skipped` (which gives the correct information).
+            if sys.version_info >= (3, 10) and pytest.version_tuple[:2] >= (8, 3):
                 result = pytester.runpytest(p, "-v", "--no-fold-skipped", "-rsf")
                 result.stdout.re_match_lines(
                     [
diff --git a/tox.ini b/tox.ini
index 43c01ac..77c04d8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,9 +1,10 @@
 [tox]
-envlist = py39,py310,py311,py312,py313
+envlist = py39,py310,py311,py312,py313,pytest7
 
 [testenv]
 deps =
     pytest-xdist>=3.3.0
+    pytest7: pytest ~=7.4
 
 commands =
     pytest {posargs:tests}