diff --git a/src/calibre/gui2/store/stores/gutenberg_plugin.py b/src/calibre/gui2/store/stores/gutenberg_plugin.py
index e8e9a04dd5..21785dea92 100644
--- a/src/calibre/gui2/store/stores/gutenberg_plugin.py
+++ b/src/calibre/gui2/store/stores/gutenberg_plugin.py
@@ -2,7 +2,7 @@
 # License: GPLv3 Copyright: 2020, Kovid Goyal <kovid at kovidgoyal.net>
 from __future__ import absolute_import, division, print_function, unicode_literals
 
-store_version = 8  # Needed for dynamic plugin loading
+store_version = 9  # Needed for dynamic plugin loading
 
 import mimetypes
 
@@ -79,6 +79,7 @@ def search(query, max_results=10, timeout=60, write_raw_to=None):
         if not s.formats:
             continue
 
+        s.drm = SearchResult.DRM_UNLOCKED
         yield s