--- a/paper-server/build.gradle.kts
+++ b/paper-server/build.gradle.kts
@@ -20,8 +_,19 @@
     // macheOldPath = file("F:\\Projects\\PaperTooling\\mache\\versions\\1.21.4\\src\\main\\java")
     // gitFilePatches = true
 
+    val purpur = forks.register("purpur") {
+        upstream.patchDir("paperServer") {
+            upstreamPath = "paper-server"
+            excludes = setOf("src/minecraft", "patches", "build.gradle.kts")
+            patchesDir = rootDirectory.dir("purpur-server/paper-patches")
+            outputDir = rootDirectory.dir("paper-server")
+        }
+    }
+
+    activeFork = purpur
+
     paper {
-        reobfMappingsPatch = layout.projectDirectory.file("../build-data/reobf-mappings-patch.tiny")
+        paperServerDir = upstreamsDirectory().map { it.dir("paper/paper-server") }
     }
 
     spigot {
@@ -104,7 +_,19 @@
     }
 }
 
-val log4jPlugins = sourceSets.create("log4jPlugins")
+sourceSets {
+    main {
+        java { srcDir("../paper-server/src/main/java") }
+        resources { srcDir("../paper-server/src/main/resources") }
+    }
+    test {
+        java { srcDir("../paper-server/src/test/java") }
+        resources { srcDir("../paper-server/src/test/resources") }
+    }
+}
+val log4jPlugins = sourceSets.create("log4jPlugins") {
+    java { srcDir("../paper-server/src/log4jPlugins/java") }
+}
 configurations.named(log4jPlugins.compileClasspathConfigurationName) {
     extendsFrom(configurations.compileClasspath.get())
 }
@@ -123,7 +_,7 @@
 // Paper end - configure mockito agent that is needed in newer java versions
 
 dependencies {
-    implementation(project(":paper-api"))
+    implementation(project(":purpur-api"))
     implementation("ca.spottedleaf:concurrentutil:0.0.2") // Paper - Add ConcurrentUtil dependency
     // Paper start
     implementation("org.jline:jline-terminal-ffm:3.27.1") // use ffm on java 22+
@@ -155,6 +_,10 @@
     }
     // Paper end - Use Velocity cipher
 
+    implementation("org.mozilla:rhino-runtime:1.7.14") // Purpur
+    implementation("org.mozilla:rhino-engine:1.7.14") // Purpur
+    implementation("dev.omega24:upnp4j:1.0") // Purpur
+
     runtimeOnly("org.apache.maven:maven-resolver-provider:3.9.6")
     runtimeOnly("org.apache.maven.resolver:maven-resolver-connector-basic:1.9.18")
     runtimeOnly("org.apache.maven.resolver:maven-resolver-transport-http:1.9.18")
@@ -193,14 +_,14 @@
         val gitBranch = git.exec(providers, "rev-parse", "--abbrev-ref", "HEAD").get().trim() // Paper
         attributes(
             "Main-Class" to "org.bukkit.craftbukkit.Main",
-            "Implementation-Title" to "Paper",
+            "Implementation-Title" to "Purpur", // Purpur
             "Implementation-Version" to implementationVersion,
             "Implementation-Vendor" to date, // Paper
-            "Specification-Title" to "Paper",
+            "Specification-Title" to "Purpur", // Purpur
             "Specification-Version" to project.version,
-            "Specification-Vendor" to "Paper Team",
-            "Brand-Id" to "papermc:paper",
-            "Brand-Name" to "Paper",
+            "Specification-Vendor" to "Purpur Team", // Purpur
+            "Brand-Id" to "purpurmc:purpur", // Purpur
+            "Brand-Name" to "Purpur", // Purpur
             "Build-Number" to (build ?: ""),
             "Build-Time" to buildTime.toString(),
             "Git-Branch" to gitBranch, // Paper