diff --git a/bioloaders/data/allen/integrated_cell.py b/bioloaders/data/allen/integrated_cell.py
index f246710..fa676cb 100644
--- a/bioloaders/data/allen/integrated_cell.py
+++ b/bioloaders/data/allen/integrated_cell.py
@@ -130,7 +130,26 @@ def download(self):
                 f.write(data.read())
                 
             with tarfile.open(file_path) as zip_f:
-                zip_f.extractall(path=self.root)
+                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(zip_f, path=self.root)
             os.unlink(file_path)
             
         print('Done!')