diff --git a/src/proxy/search_indexes.py b/src/proxy/search_indexes.py
index 5f580e5..62728be 100644
--- a/src/proxy/search_indexes.py
+++ b/src/proxy/search_indexes.py
@@ -51,6 +51,7 @@ class AttachmentIndex(BaseIndex, indexes.Indexable):
             return data
         backend = self._get_backend(None)
         extracted_data = backend.extract_file_contents(file_obj)
+        file_obj.close()
 
         t = loader.select_template(
             ('search/indexes/proxy/attachment_text.txt', )
--
libgit2 0.21.2