diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index b749f1fb4..26c1d580b 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -143,12 +143,12 @@ Running System Tests
    $ nox -s system
 
    # Run a single system test
-   $ nox -s system-3.8 -- -k <name of test>
+   $ nox -s system-3.10 -- -k <name of test>
 
 
   .. note::
 
-      System tests are only configured to run under Python 3.8.
+      System tests are only configured to run under Python 3.10.
       For expediency, we do not run them in older versions of Python 3.
 
   This alone will not run the tests. You'll need to change some local
diff --git a/noxfile.py b/noxfile.py
index 0be253502..931c23ad2 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -31,7 +31,7 @@
 
 
 DEFAULT_PYTHON_VERSION = "3.8"
-SYSTEM_TEST_PYTHON_VERSIONS = ["3.8"]
+SYSTEM_TEST_PYTHON_VERSIONS = ["3.10"]
 UNIT_TEST_PYTHON_VERSIONS = ["3.6", "3.7", "3.8", "3.9", "3.10"]
 
 CURRENT_DIRECTORY = pathlib.Path(__file__).parent.absolute()
diff --git a/owlbot.py b/owlbot.py
index 725d83333..06031ff37 100644
--- a/owlbot.py
+++ b/owlbot.py
@@ -354,6 +354,7 @@
     samples=True,
     cov_level=100,
     unit_test_python_versions=["3.6", "3.7", "3.8", "3.9", "3.10"],
+    system_test_python_versions=["3.10"],
     system_test_external_dependencies=["psutil"],
 )
 s.move(templated_files, excludes=[".coveragerc", ".github/CODEOWNERS"])