diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1d08ac2..8df9ecf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
     steps:
 
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Python
         uses: actions/setup-python@v4
@@ -86,18 +86,18 @@ jobs:
     steps:
 
       - name: Checkout repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: modflow-devtools
       
       - name: Checkout modflow6
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: MODFLOW-USGS/modflow6
           path: modflow6
       
       - name: Checkout modflow6 examples
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: MODFLOW-USGS/modflow6-examples
           path: modflow6-examples
@@ -163,7 +163,7 @@ jobs:
         env:
           REPOS_PATH: ${{ github.workspace }}
         # use --dist loadfile to so tests requiring pytest-virtualenv run on the same worker
-        run: pytest -v -n auto --dist loadfile --durations 0 --ignore modflow_devtools/test/test_download.py
+        run: pytest -v -n auto --dist loadfile --durations 0 --ignore autotest/test_download.py
       
       - name: Run network-dependent tests
         # only invoke the GH API on one OS and Python version
@@ -174,4 +174,4 @@ jobs:
         env:
           REPOS_PATH: ${{ github.workspace }}
           GITHUB_TOKEN: ${{ github.token }}
-        run: pytest -v -n auto --durations 0 modflow_devtools/test/test_download.py
\ No newline at end of file
+        run: pytest -v -n auto --durations 0 autotest/test_download.py
\ No newline at end of file
diff --git a/autotest/test_zip.py b/autotest/test_zip.py
index 85a5c10..bc72ef2 100644
--- a/autotest/test_zip.py
+++ b/autotest/test_zip.py
@@ -16,7 +16,6 @@
 ext, _ = get_suffixes(sys.platform)
 exe_stem = "pytest"
 exe_path = Path(which(exe_stem))
-bin_path = exe_path.parent
 exe_name = f"{exe_stem}{ext}"