diff --git a/.github/workflows/python-test.yml b/.github/workflows/python-test.yml
index 6a0c304..5d85c92 100644
--- a/.github/workflows/python-test.yml
+++ b/.github/workflows/python-test.yml
@@ -10,8 +10,12 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
-
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [ "3.8", "3.9"]
+        os: [ ubuntu-latest ]
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2
       - name: Set up Ubuntu
@@ -19,7 +23,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: '3.9'
+          python-version: ${{ matrix.python-version }}
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
diff --git a/pyproject.toml b/pyproject.toml
index 4cc6fd4..30262dc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "hexagonal-py"
-version = "0.1.3"
+version = "0.1.4"
 description = """Hexagonal Coherence Check"""
 readme = 'README.md'
 authors = ["rfrezino <rodrigofrezino@gmail.com>"]
diff --git a/src/hexagonal/services/raw_python_project_importer.py b/src/hexagonal/services/raw_python_project_importer.py
index 1a18c72..b6cd5f2 100644
--- a/src/hexagonal/services/raw_python_project_importer.py
+++ b/src/hexagonal/services/raw_python_project_importer.py
@@ -18,7 +18,7 @@ def source_folder_full_path(self):
 
     def __init__(self, source_folder_full_path: str, hexagonal_composition: HexagonalComposition,
                  excluded_folders: List[str]):
-        if not source_folder_full_path.startswith('/'):
+        if not os.path.isabs(source_folder_full_path):
             raise Exception("The param source_folder_full_path must have the source's folder full path.")
 
         if not os.path.isdir(source_folder_full_path):