diff --git a/.github/workflows/cicd.yml b/.github/workflows/cicd.yml
index 604c1a1..9ba5c4c 100644
--- a/.github/workflows/cicd.yml
+++ b/.github/workflows/cicd.yml
@@ -13,13 +13,15 @@ name: Continuous Integration
 
 on:
   push:
-    branches: 
+    branches:
       - main
       - develop
+      - support-*
   pull_request:
-    branches: 
+    branches:
       - main
       - develop
+      - support-*
   release:
     types:
       - published
@@ -32,7 +34,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: 
+        python-version:
           - '3.8'
           - '3.11'
 
@@ -54,7 +56,7 @@ jobs:
       run: make clean
     - name: Run tests
       run: make PYTHON3=python check
-    
+
     # Build the binary wheel as well as the source tar
     - name: Build Objects
       run: |
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 57e17c2..a65fd04 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,14 +1,14 @@
 repos:
   - repo: https://github.com/psf/black
-    rev: 23.1.0
+    rev: 23.12.0
     hooks:
       - id: black
   - repo: https://github.com/pycqa/flake8
-    rev: 6.0.0
+    rev: 6.1.0
     hooks:
       - id: flake8
   - repo: https://github.com/pycqa/isort
-    rev: 5.12.0
+    rev: 5.13.2
     hooks:
       - id: isort
         name: isort (python)
diff --git a/case_utils/local_uuid.py b/case_utils/local_uuid.py
index 85801b3..c75c997 100644
--- a/case_utils/local_uuid.py
+++ b/case_utils/local_uuid.py
@@ -32,12 +32,28 @@
 _logger = logging.getLogger(pathlib.Path(__file__).name)
 
 
+def _is_relative_to(p1: pathlib.Path, p2: pathlib.Path) -> bool:
+    """
+    This function provides pathlib.is_relative_to to Pythons before 3.9.  After the End of Life of Python 3.8, this function can be removed.
+    """
+    if sys.version_info < (3, 9):
+        try:
+            _ = p1.relative_to(p2)
+            return True
+        except ValueError:
+            return False
+    else:
+        return p1.is_relative_to(p2)
+
+
 def configure() -> None:
     """
     This function is part of setting up demo_uuid() to generate non-random UUIDs.  See demo_uuid() documentation for further setup notes.
     """
     global DEMO_UUID_BASE
 
+    # _logger.debug("sys.argv = %r.", sys.argv)
+
     if os.getenv("DEMO_UUID_REQUESTING_NONRANDOM") == "NONRANDOM_REQUESTED":
         warnings.warn(
             "Environment variable DEMO_UUID_REQUESTING_NONRANDOM is deprecated.  See case_utils.local_uuid.demo_uuid for usage notes on its replacement, CASE_DEMO_NONRANDOM_UUID_BASE.  Proceeding with random UUIDs.",
@@ -87,18 +103,23 @@ def configure() -> None:
         demo_uuid_base_parts.append(sys.argv[0])
     else:
         command_original_path = pathlib.Path(sys.argv[0])
+        # _logger.debug("command_original_path = %r.", command_original_path)
         command_resolved_path = command_original_path.resolve()
+        # _logger.debug("command_resolved_path = %r.", command_resolved_path)
+
+        # The command could be a command embedded in a virtual
+        # environment, or it could be a script external to any virtual
+        # environment.
         venv_original_path = pathlib.Path(env_venv_name)
         venv_resolved_path = venv_original_path.resolve()
-        try:
+        if _is_relative_to(command_resolved_path, venv_resolved_path):
             command_relative_path = command_resolved_path.relative_to(
                 venv_resolved_path
             )
             # _logger.debug("command_relative_path = %r.", command_relative_path)
             demo_uuid_base_parts.append(str(command_relative_path))
-        except ValueError:
-            # _logger.debug("Command path is not relative to virtual environment path.")
-            demo_uuid_base_parts.append(str(command_resolved_path))
+        else:
+            demo_uuid_base_parts.append(str(command_original_path))
 
     if len(sys.argv) > 1:
         # Component: Arguments of argument vector.
diff --git a/setup.cfg b/setup.cfg
index e5ffda7..a947e24 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -19,7 +19,7 @@ license_files =
 [options]
 include_package_data = true
 install_requires =
-    pandas
+    pandas < 2.1.0
     pyshacl
     rdflib >= 6.2.0
     requests
diff --git a/tests/case_utils/case_validate/uco_test_examples/Makefile b/tests/case_utils/case_validate/uco_test_examples/Makefile
index 2d4550b..d692c0c 100644
--- a/tests/case_utils/case_validate/uco_test_examples/Makefile
+++ b/tests/case_utils/case_validate/uco_test_examples/Makefile
@@ -15,9 +15,7 @@ SHELL := /bin/bash
 
 top_srcdir := $(shell cd ../../../.. ; pwd)
 
-case_srcdir := $(top_srcdir)/dependencies/CASE
-
-uco_srcdir := $(case_srcdir)/dependencies/UCO
+uco_srcdir := $(top_srcdir)/dependencies/CASE/dependencies/UCO
 
 examples_srcdir := $(uco_srcdir)/tests/examples