diff --git a/build.gradle.kts b/build.gradle.kts
index 8260f8b..212d0b3 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -58,6 +58,10 @@ tasks {
     shadowJar {
         archiveFileName.set("${project.name}-${project.version}.jar")
 
+        manifest {
+            attributes["paperweight-mappings-namespace"] = "mojang"
+        }
+
         val libs = "${project.group}.${project.name.lowercase()}.lib"
         relocate("org.objenesis", "$libs.objenesis")
         relocate("net.swiftzer.semver", "$libs.semver")
@@ -99,7 +103,7 @@ tasks {
         projectId = property("modrinth.project") as String?
         uploadFile = shadowJar.get()
         gameVersions = mapVersions("modrinth.versions")
-        loaders = arrayListOf("bukkit", "spigot", "paper", "folia")
+        loaders = arrayListOf("bukkit", "spigot", "paper", "folia", "purpur")
         changelog = generateChangelog()
 
         syncBodyFrom = file("README.md").readText()
@@ -132,4 +136,4 @@ fun generateChangelog(): Provider<String> = provider {
     }.toString(Charsets.UTF_8.name())
 
     return@provider changelog
-}
\ No newline at end of file
+}
diff --git a/bukkit/protocol/common/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/ChannelInjector.kt b/bukkit/protocol/common/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/ChannelInjector.kt
index 3cd278e..5271442 100644
--- a/bukkit/protocol/common/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/ChannelInjector.kt
+++ b/bukkit/protocol/common/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/ChannelInjector.kt
@@ -20,12 +20,15 @@ class ChannelInjector {
             try {
                 val craftPlayer = Reflection.getClass("${Utils.OBC}.entity.CraftPlayer")
                 val entityPlayer = Reflection.findClass(
+                    "net.minecraft.server.level.ServerPlayer",
                     "net.minecraft.server.level.EntityPlayer", "${Utils.NMS}.EntityPlayer"
                 )
                 val playerConnection = Reflection.findClass(
+                    "net.minecraft.server.network.ServerGamePacketListenerImpl",
                     "net.minecraft.server.network.PlayerConnection", "${Utils.NMS}.PlayerConnection"
                 )
                 val networkManager = Reflection.findClass(
+                    "net.minecraft.network.Connection",
                     "net.minecraft.network.NetworkManager", "${Utils.NMS}.NetworkManager"
                 )
 
@@ -59,4 +62,4 @@ class ChannelInjector {
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/bukkit/protocol/legacy/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/legacy/packet/WrappedUpdateObjective.kt b/bukkit/protocol/legacy/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/legacy/packet/WrappedUpdateObjective.kt
index 1a6ece4..68c0c6f 100644
--- a/bukkit/protocol/legacy/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/legacy/packet/WrappedUpdateObjective.kt
+++ b/bukkit/protocol/legacy/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/legacy/packet/WrappedUpdateObjective.kt
@@ -26,7 +26,7 @@ data class WrappedUpdateObjective(
                 )
 
                 val enumScoreboardHealthDisplay = Reflection.getClass(
-                    "${Utils.NMS}.IScoreboardCriteria\$EnumScoreboardHealthDisplay"
+                    $$"$${Utils.NMS}.IScoreboardCriteria$EnumScoreboardHealthDisplay"
                 )
 
                 nameField = Reflection.getField(packetPlayOutScoreboardObjective, String::class.java, 0)
@@ -54,4 +54,4 @@ data class WrappedUpdateObjective(
         if (type != null) typeField.set(handle, typeFieldEnums[type.id])
         if (displayName != null) displayNameField.set(handle, displayName)
     }
-}
\ No newline at end of file
+}
diff --git a/bukkit/protocol/legacy/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/legacy/packet/WrappedUpdateScore.kt b/bukkit/protocol/legacy/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/legacy/packet/WrappedUpdateScore.kt
index de71f21..7fdb2bf 100644
--- a/bukkit/protocol/legacy/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/legacy/packet/WrappedUpdateScore.kt
+++ b/bukkit/protocol/legacy/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/legacy/packet/WrappedUpdateScore.kt
@@ -26,7 +26,7 @@ data class WrappedUpdateScore(
                 )
 
                 val enumScoreboardAction = Reflection.getClass(
-                    "${Utils.NMS}.PacketPlayOutScoreboardScore\$EnumScoreboardAction"
+                    $$"$${Utils.NMS}.PacketPlayOutScoreboardScore$EnumScoreboardAction"
                 )
 
                 objectiveNameField = Reflection.getField(packetPlayOutScoreboardScore, String::class.java, 1)
diff --git a/bukkit/protocol/modern/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/modern/packet/WrappedUpdateObjective.kt b/bukkit/protocol/modern/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/modern/packet/WrappedUpdateObjective.kt
index 173eed1..efee41e 100644
--- a/bukkit/protocol/modern/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/modern/packet/WrappedUpdateObjective.kt
+++ b/bukkit/protocol/modern/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/modern/packet/WrappedUpdateObjective.kt
@@ -40,8 +40,9 @@ data class WrappedUpdateObjective(
                 packetInstantiator = Utils.getInstantiatorOf(packetPlayOutScoreboardObjective)
 
                 val enumScoreboardHealthDisplay = Reflection.findClass(
-                    "net.minecraft.world.scores.criteria.IScoreboardCriteria\$EnumScoreboardHealthDisplay",
-                    "${Utils.NMS}.IScoreboardCriteria\$EnumScoreboardHealthDisplay"
+                    $$"net.minecraft.world.scores.criteria.ObjectiveCriteria$RenderType",
+                    $$"net.minecraft.world.scores.criteria.IScoreboardCriteria$EnumScoreboardHealthDisplay",
+                    $$"$${Utils.NMS}.IScoreboardCriteria$EnumScoreboardHealthDisplay"
                 )
 
                 nameField = Reflection.getField(packetPlayOutScoreboardObjective, String::class.java)
diff --git a/bukkit/protocol/modern/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/modern/packet/WrappedUpdateScore.kt b/bukkit/protocol/modern/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/modern/packet/WrappedUpdateScore.kt
index 72ee621..7b8d1ce 100644
--- a/bukkit/protocol/modern/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/modern/packet/WrappedUpdateScore.kt
+++ b/bukkit/protocol/modern/src/main/kotlin/com/r4g3baby/simplescore/bukkit/protocol/modern/packet/WrappedUpdateScore.kt
@@ -56,7 +56,8 @@ data class WrappedUpdateScore(
                     }
                 } else {
                     val enumAction = Reflection.findClass(
-                        "net.minecraft.server.ScoreboardServer\$Action", "${Utils.NMS}.ScoreboardServer\$Action"
+                        $$"net.minecraft.server.ServerScoreboard$Method",
+                        $$"net.minecraft.server.ScoreboardServer$Action", $$"$${Utils.NMS}.ScoreboardServer$Action"
                     )
 
                     actionField = Reflection.getField(packetPlayOutScoreboardScore, enumAction)
@@ -89,4 +90,4 @@ data class WrappedUpdateScore(
             if (numberFormat != null) numberFormatField?.set(handle, numberFormat.handle)
         }
     }
-}
\ No newline at end of file
+}