diff --git a/.idea/runConfigurations/IDEA.xml b/.idea/runConfigurations/IDEA.xml
index 8c476306b..234d10d0b 100644
--- a/.idea/runConfigurations/IDEA.xml
+++ b/.idea/runConfigurations/IDEA.xml
@@ -1,7 +1,7 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="IDEA" type="#org.jetbrains.idea.devkit.run.PluginConfigurationType" factoryName="Plugin">
     <module name="teavm-idea" />
-    <option name="VM_PARAMETERS" value="-Xmx512m -Xms256m -XX:MaxPermSize=250m -ea" />
+    <option name="VM_PARAMETERS" value="-Xmx1024m -Xms256m -ea" />
     <option name="PROGRAM_PARAMETERS" value="" />
     <predefined_log_file id="idea.log" enabled="true" />
     <method />