diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index b589d56..3e2b030 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="17" />
+    <bytecodeTargetLevel target="17">
+      <module name="KtBukkitGui.ktgui.main" target="21" />
+      <module name="ktgui.plugin.test" target="21" />
+      <module name="ktgui.test" target="21" />
+    </bytecodeTargetLevel>
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/kotlinc.xml b/.idea/kotlinc.xml
index b1077fb..6d0ee1c 100644
--- a/.idea/kotlinc.xml
+++ b/.idea/kotlinc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="KotlinJpsPluginSettings">
-    <option name="version" value="1.7.10" />
+    <option name="version" value="2.0.0" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 482c30b..64de3b3 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="EntryPointsManager">
     <list size="1">
@@ -5,7 +6,7 @@
     </list>
   </component>
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="21" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="17" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/api/.gradle/caches/paperweight/taskCache/reobfJar.log b/api/.gradle/caches/paperweight/taskCache/reobfJar.log
index 491225f..fdb1e29 100644
--- a/api/.gradle/caches/paperweight/taskCache/reobfJar.log
+++ b/api/.gradle/caches/paperweight/taskCache/reobfJar.log
@@ -1,2 +1,2 @@
-Command: C:\Users\Mangr\.gradle\jdks\adoptium-21-x64-hotspot-windows\bin\java.exe -Xmx1G -classpath C:\Users\Mangr\.gradle\caches\modules-2\files-2.1\net.fabricmc\tiny-remapper\0.10.1\c293b2384ae12af74f407fa3aaa553bba4ac6763\tiny-remapper-0.10.1-fat.jar net.fabricmc.tinyremapper.Main D:\PC\Projects\KtBukkitGui\api\build\libs\ktgui-2.4.0-dev-all.jar D:\PC\Projects\KtBukkitGui\api\build\libs\api-2.4.0.jar C:\Users\Mangr\.gradle\caches\paperweight-userdev\ff775525efc29c3503a07d1006e63e5695a742b7505cf63e157d49d32419c69f\module\io.papermc.paper\dev-bundle\1.20.4-R0.1-SNAPSHOT\paperweight\setupCache\extractDevBundle.dir\data\mojang+yarn-spigot-reobf.tiny mojang+yarn spigot C:\Users\Mangr\.gradle\caches\paperweight-userdev\ff775525efc29c3503a07d1006e63e5695a742b7505cf63e157d49d32419c69f\module\io.papermc.paper\dev-bundle\1.20.4-R0.1-SNAPSHOT\paperweight\setupCache\applyMojangMappedPaperclipPatch.jar --threads=1
-Finished after 2887.82 ms.
+Command: C:\Program Files\Java\jdk-17\bin\java.exe -Xmx1G -classpath C:\Users\Mangr\.gradle\caches\modules-2\files-2.1\net.fabricmc\tiny-remapper\0.10.1\c293b2384ae12af74f407fa3aaa553bba4ac6763\tiny-remapper-0.10.1-fat.jar net.fabricmc.tinyremapper.Main D:\PC\Projects\KtBukkitGui\api\build\libs\ktgui-2.4.0-dev-all.jar D:\PC\Projects\KtBukkitGui\api\build\libs\api-2.4.0.jar C:\Users\Mangr\.gradle\caches\paperweight-userdev\ff775525efc29c3503a07d1006e63e5695a742b7505cf63e157d49d32419c69f\module\io.papermc.paper\dev-bundle\1.20.4-R0.1-SNAPSHOT\paperweight\setupCache\extractDevBundle.dir\data\mojang+yarn-spigot-reobf.tiny mojang+yarn spigot C:\Users\Mangr\.gradle\caches\paperweight-userdev\ff775525efc29c3503a07d1006e63e5695a742b7505cf63e157d49d32419c69f\module\io.papermc.paper\dev-bundle\1.20.4-R0.1-SNAPSHOT\paperweight\setupCache\applyMojangMappedPaperclipPatch.jar --threads=1
+Finished after 2815.14 ms.
diff --git a/api/build.gradle.kts b/api/build.gradle.kts
index 116f2b9..509dabd 100644
--- a/api/build.gradle.kts
+++ b/api/build.gradle.kts
@@ -29,7 +29,7 @@ version = rootProject.version
 sourceSets["main"].resources.srcDir("src/resources/")
 
 tasks.withType<KotlinCompile> {
-    kotlinOptions.jvmTarget = "21"
+    kotlinOptions.jvmTarget = "17"
 }
 
 tasks {
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index a595206..0d18421 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.8-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/plugin/.gradle/caches/paperweight/taskCache/reobfJar.log b/plugin/.gradle/caches/paperweight/taskCache/reobfJar.log
index db2f312..1f9bbe2 100644
--- a/plugin/.gradle/caches/paperweight/taskCache/reobfJar.log
+++ b/plugin/.gradle/caches/paperweight/taskCache/reobfJar.log
@@ -1,2 +1,2 @@
-Command: C:\Users\Mangr\.gradle\jdks\adoptium-21-x64-hotspot-windows\bin\java.exe -Xmx1G -classpath C:\Users\Mangr\.gradle\caches\modules-2\files-2.1\net.fabricmc\tiny-remapper\0.10.1\c293b2384ae12af74f407fa3aaa553bba4ac6763\tiny-remapper-0.10.1-fat.jar net.fabricmc.tinyremapper.Main D:\PC\Projects\KtBukkitGui\plugin\build\libs\ktgui-plugin-2.4.0-dev-all.jar D:\PC\Projects\KtBukkitGui\plugin\build\libs\plugin-unspecified.jar C:\Users\Mangr\.gradle\caches\paperweight-userdev\383bcea64446e2cc830258ba4061f82beae144700277ae2c736ef37b9c989d6c\module\io.papermc.paper\dev-bundle\1.20.4-R0.1-SNAPSHOT\paperweight\setupCache\extractDevBundle.dir\data\mojang+yarn-spigot-reobf.tiny mojang+yarn spigot C:\Users\Mangr\.gradle\caches\paperweight-userdev\383bcea64446e2cc830258ba4061f82beae144700277ae2c736ef37b9c989d6c\module\io.papermc.paper\dev-bundle\1.20.4-R0.1-SNAPSHOT\paperweight\setupCache\applyMojangMappedPaperclipPatch.jar --threads=1
-Finished after 1731.16 ms.
+Command: C:\Program Files\Java\jdk-17\bin\java.exe -Xmx1G -classpath C:\Users\Mangr\.gradle\caches\modules-2\files-2.1\net.fabricmc\tiny-remapper\0.10.1\c293b2384ae12af74f407fa3aaa553bba4ac6763\tiny-remapper-0.10.1-fat.jar net.fabricmc.tinyremapper.Main D:\PC\Projects\KtBukkitGui\plugin\build\libs\ktgui-plugin-2.4.0-dev-all.jar D:\PC\Projects\KtBukkitGui\plugin\build\libs\plugin-unspecified.jar C:\Users\Mangr\.gradle\caches\paperweight-userdev\ff775525efc29c3503a07d1006e63e5695a742b7505cf63e157d49d32419c69f\module\io.papermc.paper\dev-bundle\1.20.4-R0.1-SNAPSHOT\paperweight\setupCache\extractDevBundle.dir\data\mojang+yarn-spigot-reobf.tiny mojang+yarn spigot C:\Users\Mangr\.gradle\caches\paperweight-userdev\ff775525efc29c3503a07d1006e63e5695a742b7505cf63e157d49d32419c69f\module\io.papermc.paper\dev-bundle\1.20.4-R0.1-SNAPSHOT\paperweight\setupCache\applyMojangMappedPaperclipPatch.jar --threads=1
+Finished after 1725.67 ms.
diff --git a/plugin/build.gradle.kts b/plugin/build.gradle.kts
index 0376223..20d96b9 100644
--- a/plugin/build.gradle.kts
+++ b/plugin/build.gradle.kts
@@ -30,7 +30,7 @@ tasks.test {
 sourceSets["main"].resources.srcDir("src/resources/")
 
 tasks.withType<KotlinCompile> {
-    kotlinOptions.jvmTarget = "21"
+    kotlinOptions.jvmTarget = "17"
 }
 
 fun getCheckedOutGitCommitHash(): String = grgit.head().abbreviatedId