diff --git a/build.gradle.kts b/build.gradle.kts
index 27c34ae..7c696ef 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -66,6 +66,7 @@ val createMappings by tasks.registering(GenerateMergedMappingsTask::class) {
 
 java {
     withSourcesJar()
+    toolchain.languageVersion.set(JavaLanguageVersion.of(17))
 }
 
 minecraft {
diff --git a/gradle.properties b/gradle.properties
index 88732df..bfba713 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,5 +4,5 @@ org.gradle.jvmargs=-Xmx3G
 
 versionMc=1.20.1
 versionForge=47.1.3
-versionLoaderUpstream=0.15.3
+versionLoaderUpstream=0.16.5
 versionYarn=1.20.1+build.9
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 69c0329..5bb6cec 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 #Wed Jun 14 17:05:22 CEST 2023
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.8-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists