--- a/paper-server/build.gradle.kts
+++ b/paper-server/build.gradle.kts
@@ -21,6 +_,16 @@
     // 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
+
     spigot {
         buildDataRef = "3edaf46ec1eed4115ce1b18d2846cded42577e42"
         packageVersion = "v1_21_R3" // also needs to be updated in MappingEnvironment
@@ -101,7 +_,20 @@
     }
 }
 
-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())
 }
@@ -119,7 +_,7 @@
 }
 
 dependencies {
-    implementation(project(":paper-api"))
+    implementation(project(":purpur-api"))
     implementation("ca.spottedleaf:concurrentutil:0.0.3")
     implementation("org.jline:jline-terminal-ffm:3.27.1") // use ffm on java 22+
     implementation("org.jline:jline-terminal-jni:3.27.1") // fall back to jni on java 21
@@ -150,6 +_,10 @@
     runtimeOnly("com.mysql:mysql-connector-j:9.1.0")
     runtimeOnly("com.lmax:disruptor:3.4.4")
 
+    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")
@@ -189,14 +_,14 @@
         val gitBranch = git.exec(providers, "rev-parse", "--abbrev-ref", "HEAD").get().trim()
         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,
-            "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,