diff --git a/requirements.txt b/requirements.txt
index 469b3f6..93027aa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,4 @@
 wheel==0.23.0
 Yarg==0.1.9
 docopt==0.6.2
-nbconvert==5.4.1
-ipython==5.4.1
+nbconvert==6.0.7
\ No newline at end of file
diff --git a/tests/test_pipreqs.py b/tests/test_pipreqs.py
index c919bae..c2de2c9 100644
--- a/tests/test_pipreqs.py
+++ b/tests/test_pipreqs.py
@@ -49,20 +49,20 @@ class TestPipreqs(unittest.TestCase):
             "requirements2.txt"
             )
         self.project_with_notebooks = os.path.join(
-            os.path.dirname(__file__), 
+            os.path.dirname(__file__),
             "_data_notebook"
             )
         self.project_with_invalid_notebooks = os.path.join(
-            os.path.dirname(__file__), 
+            os.path.dirname(__file__),
             "_invalid_data_notebook"
             )
-        self.compatible_files_path = {
+        self.compatible_files = {
             "original": os.path.join(
-                os.path.dirname(__file__), 
+                os.path.dirname(__file__),
                 "_data/test.py"
             ),
             "notebook": os.path.join(
-                os.path.dirname(__file__), 
+                os.path.dirname(__file__),
                 "_data_notebook/test.ipynb"
             )}
 
@@ -374,12 +374,12 @@ class TestPipreqs(unittest.TestCase):
         """
         Test the function ipynb_2_py() which converts .ipynb file to .py format
         """
-        expected = pipreqs.get_all_imports(self.compatible_files_path["original"])
-        parsed = pipreqs.get_all_imports(self.compatible_files_path["notebook"])
+        expected = pipreqs.get_all_imports(self.compatible_files["original"])
+        parsed = pipreqs.get_all_imports(self.compatible_files["notebook"])
         self.assertEqual(expected, parsed)
 
         parsed = pipreqs.get_all_imports(
-            self.compatible_files_path["notebook"],
+            self.compatible_files["notebook"],
             encoding="utf-8"
             )
         self.assertEqual(expected, parsed)