diff --git a/build.gradle b/build.gradle
index 24bd0b5b58..2e6b50b7dc 100644
--- a/build.gradle
+++ b/build.gradle
@@ -319,32 +319,27 @@ project(":core"){
     }
 
     task sourcesJar(type: Jar, dependsOn: classes){
-        classifier = 'sources'
+        archiveClassifier = 'sources'
         from sourceSets.main.allSource
     }
 
     task assetsJar(type: Jar, dependsOn: ":tools:pack"){
-        classifier = 'assets'
+        archiveClassifier = 'assets'
         from files("assets"){
-            exclude "config"
-            exclude "cache"
-            exclude "music"
-            exclude "sounds"
+            exclude "config", "cache", "music", "sounds"
         }
     }
 
     task musicJar(type: Jar){
-        classifier = 'music'
+        archiveClassifier = 'music'
         from files("assets"){
-            include "music/*"
-            include "sounds/*"
+            include "music/*", "sounds/*"
         }
     }
 
     artifacts{
         archives sourcesJar
         archives assetsJar
-        archives musicJar
     }
 
     dependencies{
diff --git a/gradle.properties b/gradle.properties
index 984b91d663..11e25f6aaa 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,3 @@
 org.gradle.daemon=true
 org.gradle.jvmargs=-Xms256m -Xmx1024m
-archash=2e35f7b6bda1d3dea4ee1ae95db76cce37bae506
+archash=c3e170325ca836f1939653ffbc01e76de9c6eb35