diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index c36c15f..721d88b 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -12,10 +12,12 @@ on:
 jobs:
   build:
 
-    runs-on: ubuntu-latest
     strategy:
       matrix:
         python-version: [3.7]
+        platform: [ubuntu-latest]
+
+    runs-on: ${{ matrix.platform }}
 
     steps:
     - uses: actions/checkout@v2
diff --git a/Makefile b/Makefile
index 5104854..e7dc507 100644
--- a/Makefile
+++ b/Makefile
@@ -21,8 +21,8 @@ docs-serve:
 
 .PHONY: test
 test:
-	pytest -n 8 tests
+	pytest -n 4 tests
 
 .PHONY: test-cov
 test-cov:
-	pytest -n 8 --cov=hsclient --cov-report html
+	pytest -n 4 --cov=hsclient --cov-report html
diff --git a/hsclient/hydroshare.py b/hsclient/hydroshare.py
index d00c55c..6ab46c4 100644
--- a/hsclient/hydroshare.py
+++ b/hsclient/hydroshare.py
@@ -5,7 +5,7 @@
 import tempfile
 import time
 from datetime import datetime
-from posixpath import basename, dirname, join as urljoin, splitext
+from posixpath import join as urljoin, splitext, basename, dirname
 from typing import Dict, List, Union
 from urllib.parse import urlparse, quote, unquote
 from zipfile import ZipFile
@@ -578,7 +578,7 @@ def file_upload(self, *files: str, destination_path: str = "") -> None:
                 zipped_file = os.path.join(tmpdir, 'files.zip')
                 with ZipFile(zipped_file, 'w') as zipped:
                     for file in files:
-                        zipped.write(file, basename(file))
+                        zipped.write(file, os.path.basename(file))
                 self._upload(zipped_file, destination_path=destination_path)
                 unzip_path = urljoin(
                     self._hsapi_path, "functions", "unzip", "data", "contents", destination_path, 'files.zip'
diff --git a/setup.py b/setup.py
index d914c4e..68f1c2e 100644
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setup(
     name='hsclient',
-    version='0.1.6',
+    version='0.1.7',
     packages=find_packages(include=['hsclient', 'hsclient.*'],
                            exclude=("tests",)),
     install_requires=[
diff --git a/tests/data/another.txt b/tests/data/another.txt
new file mode 100644
index 0000000..65763bf
--- /dev/null
+++ b/tests/data/another.txt
@@ -0,0 +1 @@
+another hello dude
\ No newline at end of file
diff --git a/tests/test_functional.py b/tests/test_functional.py
index 349f217..d4df802 100644
--- a/tests/test_functional.py
+++ b/tests/test_functional.py
@@ -47,10 +47,26 @@ def timeseries_resource(new_resource):
         "ODM2_Multi_Site_One_Variable_meta.xml",
     ]
     root_path = "data/test_resource_metadata_files/"
-    new_resource.file_upload(*[root_path + file for file in files])
+    new_resource.file_upload(*[os.path.join(root_path, file) for file in files])
     return new_resource
 
 
+def test_absolute_path_multiple_file_upload(new_resource):
+    files = [
+        "other.txt",
+        "another.txt",
+    ]
+    root_path = "data"
+    new_resource.file_upload(*[os.path.abspath(os.path.join(root_path, file)) for file in files])
+    assert len(new_resource.files()) == 2
+
+
+def test_absolute_path_single_file_upload(new_resource):
+    rel_path = os.path.join("data", "other.txt")
+    new_resource.file_upload(os.path.abspath(rel_path))
+    assert len(new_resource.files()) == 1
+
+
 def test_filtering_aggregations(timeseries_resource):
     assert len(timeseries_resource.aggregations(type=AggregationType.TimeSeriesAggregation)) == 1
     timeseries = timeseries_resource.aggregation(type=AggregationType.TimeSeriesAggregation)
@@ -387,7 +403,7 @@ def test_user_info(hydroshare):
 def test_aggregations(new_resource, files):
     root_path = "data/test_resource_metadata_files/"
     file_count = len(files) - 2  # exclude rdf/xml file
-    new_resource.file_upload(*[root_path + file for file in files])
+    new_resource.file_upload(*[os.path.join(root_path, file) for file in files])
     assert len(new_resource.aggregations()) == 1
     assert len(new_resource.files()) == 0
     agg = new_resource.aggregations()[0]
@@ -425,7 +441,7 @@ def test_aggregation_fileset(new_resource, files):
     root_path = "data/test_resource_metadata_files/"
     file_count = len(files) - 2  # exclude rdf/xml file
     new_resource.folder_create("asdf")
-    new_resource.file_upload(*[root_path + file for file in files], destination_path="asdf")
+    new_resource.file_upload(*[os.path.join(root_path, file) for file in files], destination_path="asdf")
     assert len(new_resource.aggregations()) == 1
     assert len(new_resource.files()) == 0
     agg = new_resource.aggregations()[0]