diff --git a/ansible/my_service_templates/languagetool/languagetool.container b/ansible/my_service_templates/languagetool/languagetool.container
index 02db1ee..c38c4f1 100644
--- a/ansible/my_service_templates/languagetool/languagetool.container
+++ b/ansible/my_service_templates/languagetool/languagetool.container
@@ -9,6 +9,8 @@ Image=docker.io/erikvl87/languagetool:latest
 PublishPort=127.0.0.1:8900:8010
 Volume=/var/vol/languagetool/ngrams:/ngrams:Z
 Environment=langtool_languageModel=/ngrams
+Environment=Java_Xms=512m
+Environment=Java_Xmx=2g
 AutoUpdate=registry
 
 [Service]