diff --git a/.circleci/config.yml b/.circleci/config.yml
index 7f8559b8..36241cb6 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -96,7 +96,7 @@ jobs:
        ### INITIALIZE AND CACHE REQUIREMENTS ###
       - restore_cache:
           keys:
-          - v4-dependencies-{{ checksum "requirements/runtime.txt" }}-{{ checksum "requirements/tests.txt" }}-{{ checksum "requirements/jupyter.txt" }}-{{ .Environment.CIRCLE_JOB }}
+          - v5-dependencies-{{ checksum "requirements/runtime.txt" }}-{{ checksum "requirements/tests.txt" }}-{{ checksum "requirements/jupyter.txt" }}-{{ .Environment.CIRCLE_JOB }}
       - run:
           name: install dependencies
           command: |
@@ -112,7 +112,7 @@ jobs:
       - save_cache:
           paths:
             - ./pipcache
-          key: v4-dependencies-{{ checksum "requirements/runtime.txt" }}-{{ checksum "requirements/tests.txt" }}-{{ checksum "requirements/jupyter.txt" }}-{{ .Environment.CIRCLE_JOB }}
+          key: v5-dependencies-{{ checksum "requirements/runtime.txt" }}-{{ checksum "requirements/tests.txt" }}-{{ checksum "requirements/jupyter.txt" }}-{{ .Environment.CIRCLE_JOB }}
       # ### RUN TESTS ###
       - run:
           name: run tests
@@ -137,7 +137,7 @@ jobs:
        ### INITIALIZE AND CACHE REQUIREMENTS ###
       - restore_cache:
           keys:
-          - v4-dependencies-{{ checksum "requirements/runtime.txt" }}-{{ checksum "requirements/optional.txt" }}-{{ checksum "requirements/tests.txt" }}-{{ checksum "requirements/jupyter.txt" }}-{{ checksum "requirements/colors.txt" }}-{{ .Environment.CIRCLE_JOB }}
+          - v5-dependencies-{{ checksum "requirements/runtime.txt" }}-{{ checksum "requirements/optional.txt" }}-{{ checksum "requirements/tests.txt" }}-{{ checksum "requirements/jupyter.txt" }}-{{ checksum "requirements/colors.txt" }}-{{ .Environment.CIRCLE_JOB }}
       - run:
           name: install dependencies
           command: |
@@ -154,7 +154,7 @@ jobs:
           paths:
             #- ./venv
             - ./pipcache
-          key: v4-dependencies-{{ checksum "requirements/runtime.txt" }}-{{ checksum "requirements/optional.txt" }}-{{ checksum "requirements/tests.txt" }}-{{ checksum "requirements/jupyter.txt" }}-{{ checksum "requirements/colors.txt" }}-{{ .Environment.CIRCLE_JOB }}
+          key: v5-dependencies-{{ checksum "requirements/runtime.txt" }}-{{ checksum "requirements/optional.txt" }}-{{ checksum "requirements/tests.txt" }}-{{ checksum "requirements/jupyter.txt" }}-{{ checksum "requirements/colors.txt" }}-{{ .Environment.CIRCLE_JOB }}
       # ### RUN TESTS ###
       - run:
           name: run tests
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index dc78ba98..75e84947 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -17,7 +17,7 @@ jobs:
     - name: Checkout source
       uses: actions/checkout@v3
     - name: Set up Python 3.8
-      uses: actions/setup-python@v4.2.0
+      uses: actions/setup-python@v4.3.0
       with:
         python-version: 3.8
     - name: Install dependencies
@@ -40,7 +40,7 @@ jobs:
     - name: Checkout source
       uses: actions/checkout@v3
     - name: Set up Python 3.8
-      uses: actions/setup-python@v4.2.0
+      uses: actions/setup-python@v4.3.0
       with:
         python-version: 3.8
     - name: Upgrade pip
@@ -104,8 +104,7 @@ jobs:
         - '3.8'
         - '3.9'
         - '3.10'
-        - '3.11.0-rc.2'
-        #- '3.11' soon
+        - '3.11'
         - pypy-3.7
         install-extras:
         - tests
diff --git a/src/xdoctest/utils/util_import.py b/src/xdoctest/utils/util_import.py
index 846b623b..d0d2dc47 100644
--- a/src/xdoctest/utils/util_import.py
+++ b/src/xdoctest/utils/util_import.py
@@ -571,8 +571,20 @@ def _syspath_modname_to_modpath(modname, sys_path=None, exclude=None):
         >>> modpath = _syspath_modname_to_modpath(modname)
         >>> exclude = [split_modpath(modpath)[0]]
         >>> found = _syspath_modname_to_modpath(modname, exclude=exclude)
-        >>> # this only works if installed in dev mode, pypi fails
-        >>> assert found is None, 'should not have found {} because we excluded'.format(found, exclude)
+        >>> if found is not None:
+        >>>     # Note: the basic form of this test may fail if there are
+        >>>     # multiple versions of the package installed. Try and fix that.
+        >>>     other = split_modpath(found)[0]
+        >>>     assert other not in exclude
+        >>>     exclude.append(other)
+        >>>     found = _syspath_modname_to_modpath(modname, exclude=exclude)
+        >>> if found is not None:
+        >>>     raise AssertionError(
+        >>>         'should not have found {}.'.format(found)
+        >>>         ' because we excluded: {}.'.format(exclude)
+        >>>         ' cwd={} '.format(os.getcwd())
+        >>>         ' sys.path={} '.format(sys.path)
+        >>>     )
     """
     import glob