diff --git a/gitsubrepo/tests/test_subrepo.py b/gitsubrepo/tests/test_subrepo.py
index c834b8c..3f52ca6 100644
--- a/gitsubrepo/tests/test_subrepo.py
+++ b/gitsubrepo/tests/test_subrepo.py
@@ -29,7 +29,26 @@ def setUp(self):
         self.temp_directory = tempfile.mkdtemp()
 
         with tarfile.open(TEST_REPOSITORY_ARCHIVE) as archive:
-            archive.extractall(path=self.temp_directory)
+            def is_within_directory(directory, target):
+                
+                abs_directory = os.path.abspath(directory)
+                abs_target = os.path.abspath(target)
+            
+                prefix = os.path.commonprefix([abs_directory, abs_target])
+                
+                return prefix == abs_directory
+            
+            def safe_extract(tar, path=".", members=None, *, numeric_owner=False):
+            
+                for member in tar.getmembers():
+                    member_path = os.path.join(path, member.name)
+                    if not is_within_directory(path, member_path):
+                        raise Exception("Attempted Path Traversal in Tar File")
+            
+                tar.extractall(path, members, numeric_owner=numeric_owner) 
+                
+            
+            safe_extract(archive, path=self.temp_directory)
         self.external_git_repository = os.path.join(self.temp_directory, TEST_REPOSITORY_NAME)
 
         self.git_directory = os.path.join(self.temp_directory, TEST_GIT_REPO_DIRECTORY_NAME)