diff --git a/site-cookbooks/kosmos-mastodon/recipes/default.rb b/site-cookbooks/kosmos-mastodon/recipes/default.rb
index f21e444..0e4dba9 100644
--- a/site-cookbooks/kosmos-mastodon/recipes/default.rb
+++ b/site-cookbooks/kosmos-mastodon/recipes/default.rb
@@ -36,7 +36,7 @@ elasticsearch_install 'elasticsearch' do
 end
 
 elasticsearch_configure 'elasticsearch' do
-  allocated_memory '512m'
+  allocated_memory '1536m'
 end
 
 elasticsearch_service 'elasticsearch'