diff --git a/libs/codeintel2/database/stdlib.py b/libs/codeintel2/database/stdlib.py
index 2ecaa68..0ca0bdd 100644
--- a/libs/codeintel2/database/stdlib.py
+++ b/libs/codeintel2/database/stdlib.py
@@ -525,8 +525,8 @@ def _update_lang_with_ver(self, lang, ver=None, progress_cb=None):
             try:
                 zip_file = zipfile.ZipFile(cix_path+".zip")
                 zip_file.extractall(path=self.stdlibs_dir)
+                zip_file.close()
             except Exception as ex:
-                print(ex)
                 raise CodeIntelError("could not unzip stdlib")
             finally:
                 os.remove(cix_path+".zip")