diff --git a/build.gradle.kts b/build.gradle.kts
index 5a07a9f2..52ec349a 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -5,7 +5,7 @@ import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 plugins {
     kotlin("jvm") apply false
     id("com.google.devtools.ksp") version "1.9.21-1.0.15"
-    id("io.github.liplum.mgpp") version "1.3.1"
+    id("io.github.liplum.mgpp") version "1.3.2"
 }
 buildscript {
     repositories {
diff --git a/gradle.properties b/gradle.properties
index a6c845bc..084e9e06 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,4 +2,5 @@
 kotlin.code.style=official
 PlumyVersion=7597fd8bb8
 mktxVersion=7a1dc3ff54
-mgpp.deploy.enableFatJar=false
\ No newline at end of file
+mgpp.deploy.enableFatJar=false
+org.gradle.parallel=true
\ No newline at end of file
diff --git a/main/src/net/liplum/ui/MainMenus.kt b/main/src/net/liplum/ui/MainMenus.kt
index 0f44830f..fbd86f91 100644
--- a/main/src/net/liplum/ui/MainMenus.kt
+++ b/main/src/net/liplum/ui/MainMenus.kt
@@ -76,7 +76,7 @@ object MainMenus {
             }
             if (exit != null) {
                 buttons.removeChild(exit)
-                buttons.cells.filter { it.hasElement() }
+                buttons.cells.retainAll { it.hasElement() }
             }
             buttons.add(button).marginLeft(11f).row()
             buttons.button("@quit", Icon.exit, Styles.flatToggleMenut, Core.app::exit)