diff --git a/.github/workflows/publish-release.yml b/.github/workflows/publish-release.yml
index 4a1a7c3..bc73d69 100644
--- a/.github/workflows/publish-release.yml
+++ b/.github/workflows/publish-release.yml
@@ -15,11 +15,11 @@ jobs:
       - name: Checkout latest code
         uses: actions/checkout@v2
 
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v2
         with:
           distribution: 'temurin'
-          java-version: 17
+          java-version: 21
 
       - name: Change wrapper permissions
         run: chmod +x ./gradlew
diff --git a/build.gradle.kts b/build.gradle.kts
index 7a25640..ddd6963 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -3,7 +3,7 @@ plugins {
     `java-library`
     `maven-publish`
     kotlin("jvm") version "1.9.20"
-    id("com.github.johnrengelman.shadow") version "8.0.0"
+    id("io.github.goooler.shadow") version "8.1.7"
     id("com.willfp.libreforge-gradle-plugin") version "1.0.0"
 }
 
@@ -25,7 +25,7 @@ allprojects {
     apply(plugin = "java")
     apply(plugin = "kotlin")
     apply(plugin = "maven-publish")
-    apply(plugin = "com.github.johnrengelman.shadow")
+    apply(plugin = "io.github.goooler.shadow")
 
     repositories {
         mavenLocal()
@@ -44,7 +44,7 @@ allprojects {
 
     java {
         withSourcesJar()
-        toolchain.languageVersion.set(JavaLanguageVersion.of(17))
+        toolchain.languageVersion.set(JavaLanguageVersion.of(21))
     }
 
     tasks {
@@ -54,7 +54,7 @@ allprojects {
 
         compileKotlin {
             kotlinOptions {
-                jvmTarget = "17"
+                jvmTarget = "21"
             }
         }
 
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 41d9927..e644113 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index e1bef7e..b82aa23 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.0.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/jitpack.yml b/jitpack.yml
deleted file mode 100644
index caba981..0000000
--- a/jitpack.yml
+++ /dev/null
@@ -1,6 +0,0 @@
-jdk: openjdk17
-before_install:
-  - source "$HOME/.sdkman/bin/sdkman-init.sh"
-  - sdk update
-  - sdk install java 17.0.1-tem
-  - sdk use java 17.0.1-tem
\ No newline at end of file
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 3862cb3..90a9bd2 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -2,11 +2,15 @@ pluginManagement {
     repositories {
         gradlePluginPortal()
         mavenLocal()
-        maven("https://repo.jpenilla.xyz/snapshots/")
         maven("https://repo.auxilor.io/repository/maven-public/")
+        maven("https://repo.papermc.io/repository/maven-public/")
     }
 }
 
+plugins {
+    id("org.gradle.toolchains.foojay-resolver-convention") version "0.8.0"
+}
+
 rootProject.name = "EcoItems"
 
 // Core