diff --git a/sphinx_click/ext.py b/sphinx_click/ext.py
index 8a7efa3..94bd3a7 100644
--- a/sphinx_click/ext.py
+++ b/sphinx_click/ext.py
@@ -513,6 +513,6 @@ def setup(app):
     app.add_directive('click', ClickDirective)
 
     return {
-        'parallel_read_safe': False,
-        'parallel_write_safe': False,
+        'parallel_read_safe': True,
+        'parallel_write_safe': True,
     }