diff --git a/src/skillspector/input_handler.py b/src/skillspector/input_handler.py
index e511281..3f28253 100644
--- a/src/skillspector/input_handler.py
+++ b/src/skillspector/input_handler.py
@@ -179,7 +179,7 @@ def _extract_zip(self, zip_path: Path) -> Path:
         extract_dir.mkdir(exist_ok=True)
         try:
             with zipfile.ZipFile(zip_path, "r") as zf:
-                zf.extractall(extract_dir)
+                zf.extractall(extract_dir, filter="data")
         except zipfile.BadZipFile:
             logger.warning("Invalid zip or extract failed: %s", zip_path)
             raise ValueError(f"Invalid zip file: {zip_path}") from None