diff --git a/.github/workflows/compile.yml b/.github/workflows/compile.yml
index e65dea3..6238eb6 100644
--- a/.github/workflows/compile.yml
+++ b/.github/workflows/compile.yml
@@ -13,7 +13,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 17
+          java-version: 21
 
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v4
diff --git a/README.md b/README.md
index 57b22ea..4ac046e 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ Terminator terminator = TerminatorPlusAPI.getBotManager().createBot(location, "B
 
 ### Version Support
 
-This plugin requires [Paper 1.20.4](https://papermc.io/downloads/all).
+This plugin requires [Paper 1.21.1](https://papermc.io/downloads/all).
 
 ### Future Updates
 
diff --git a/TerminatorPlus-API/build.gradle.kts b/TerminatorPlus-API/build.gradle.kts
index 6754434..1cec76b 100644
--- a/TerminatorPlus-API/build.gradle.kts
+++ b/TerminatorPlus-API/build.gradle.kts
@@ -1,5 +1,5 @@
 plugins {
-    id("java")
+    java
     id("net.nuggetmc.java-conventions")
 }
 
@@ -17,6 +17,6 @@ repositories {
 }
 
 dependencies {
-    compileOnly("io.papermc.paper:paper-api:1.20.4-R0.1-SNAPSHOT")
+    compileOnly("io.papermc.paper:paper-api:1.21.1-R0.1-SNAPSHOT")
     compileOnly("com.mojang:authlib:3.2.38")
 }
diff --git a/TerminatorPlus-API/src/main/java/net/nuggetmc/tplus/api/event/BotDeathEvent.java b/TerminatorPlus-API/src/main/java/net/nuggetmc/tplus/api/event/BotDeathEvent.java
index cd407ce..2729f27 100644
--- a/TerminatorPlus-API/src/main/java/net/nuggetmc/tplus/api/event/BotDeathEvent.java
+++ b/TerminatorPlus-API/src/main/java/net/nuggetmc/tplus/api/event/BotDeathEvent.java
@@ -8,7 +8,7 @@ public class BotDeathEvent extends EntityDeathEvent {
     private final Terminator bot;
 
     public BotDeathEvent(EntityDeathEvent event, Terminator bot) {
-        super(event.getEntity(), event.getDrops(), event.getDroppedExp());
+        super(event.getEntity(), event.getDamageSource(), event.getDrops(), event.getDroppedExp());
         this.bot = bot;
     }
 
diff --git a/TerminatorPlus-Plugin/build.gradle.kts b/TerminatorPlus-Plugin/build.gradle.kts
index bf01938..f597de4 100644
--- a/TerminatorPlus-Plugin/build.gradle.kts
+++ b/TerminatorPlus-Plugin/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     `java-library`
-    id("io.papermc.paperweight.userdev") version "1.3.7"
+    id("io.papermc.paperweight.userdev") version "1.7.5"
     id("net.nuggetmc.java-conventions")
 }
 
@@ -9,11 +9,11 @@ description = "TerminatorPlus"
 
 java {
     // Configure the java toolchain. This allows gradle to auto-provision JDK 17 on systems that only have JDK 8 installed for example.
-    toolchain.languageVersion.set(JavaLanguageVersion.of(17))
+    toolchain.languageVersion.set(JavaLanguageVersion.of(21))
 }
 
 dependencies {
-    paperDevBundle("1.20.4-R0.1-SNAPSHOT")
+    paperweight.paperDevBundle("1.21.1-R0.1-SNAPSHOT")
 
     //add the TerminatorPlus-API module
     implementation(project(":TerminatorPlus-API"))
@@ -30,7 +30,7 @@ tasks {
 
         // Set the release flag. This configures what version bytecode the compiler will emit, as well as what JDK APIs are usable.
         // See https://openjdk.java.net/jeps/247 for more information.
-        options.release.set(17)
+        options.release.set(21)
     }
     javadoc {
         options.encoding = Charsets.UTF_8.name() // We want UTF-8 for everything
diff --git a/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/TerminatorPlus.java b/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/TerminatorPlus.java
index 042754c..24ba21f 100644
--- a/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/TerminatorPlus.java
+++ b/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/TerminatorPlus.java
@@ -12,7 +12,7 @@ import java.util.Arrays;
 
 public class TerminatorPlus extends JavaPlugin {
 
-    public static final String REQUIRED_VERSION = "1.20.4";
+    public static final String REQUIRED_VERSION = "1.21.1";
 
     private static TerminatorPlus instance;
     private static String version;
diff --git a/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/bot/Bot.java b/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/bot/Bot.java
index 51771b2..f0bb858 100644
--- a/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/bot/Bot.java
+++ b/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/bot/Bot.java
@@ -38,11 +38,11 @@ import org.bukkit.*;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 import org.bukkit.block.data.Waterlogged;
-import org.bukkit.craftbukkit.v1_20_R3.CraftEquipmentSlot;
-import org.bukkit.craftbukkit.v1_20_R3.CraftServer;
-import org.bukkit.craftbukkit.v1_20_R3.CraftWorld;
-import org.bukkit.craftbukkit.v1_20_R3.entity.CraftPlayer;
-import org.bukkit.craftbukkit.v1_20_R3.inventory.CraftItemStack;
+import org.bukkit.craftbukkit.CraftEquipmentSlot;
+import org.bukkit.craftbukkit.CraftServer;
+import org.bukkit.craftbukkit.CraftWorld;
+import org.bukkit.craftbukkit.entity.CraftPlayer;
+import org.bukkit.craftbukkit.inventory.CraftItemStack;
 import org.bukkit.enchantments.Enchantment;
 import org.bukkit.entity.Damageable;
 import org.bukkit.entity.Player;
@@ -112,7 +112,7 @@ public class Bot extends ServerPlayer implements Terminator {
 
         Bot bot = new Bot(nmsServer, nmsWorld, profile, addPlayerList);
 
-        bot.connection = new ServerGamePacketListenerImpl(nmsServer, new MockConnection(), bot, CommonListenerCookie.createInitial(bot.getGameProfile()));
+        bot.connection = new ServerGamePacketListenerImpl(nmsServer, new MockConnection(), bot, CommonListenerCookie.createInitial(bot.getGameProfile(), false));
 
         bot.setPos(loc.getX(), loc.getY(), loc.getZ());
         bot.setRot(loc.getYaw(), loc.getPitch());
@@ -211,7 +211,7 @@ public class Bot extends ServerPlayer implements Terminator {
 
     private Packet<?>[] getRenderPacketsNoInfo() {
         return new Packet[]{
-                new ClientboundAddEntityPacket(this),
+                new ClientboundAddEntityPacket(this.getId(), this.getUUID(), this.getX(), this.getY(), this.getZ(), this.getXRot(), this.getYRot(), this.getType(), 0, this.getDeltaMovement(), this.getYHeadRot()),
                 //new ClientboundSetEntityDataPacket(this.getId(), this.entityData, true),
                 new ClientboundPlayerInfoUpdatePacket(ClientboundPlayerInfoUpdatePacket.Action.ADD_PLAYER, this),
                 new ClientboundSetEntityDataPacket(this.getId(), this.entityData.packDirty()),
diff --git a/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/bot/BotManagerImpl.java b/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/bot/BotManagerImpl.java
index 960cb04..3b2816f 100644
--- a/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/bot/BotManagerImpl.java
+++ b/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/bot/BotManagerImpl.java
@@ -12,7 +12,7 @@ import net.nuggetmc.tplus.api.event.BotDeathEvent;
 import net.nuggetmc.tplus.api.utils.MojangAPI;
 import org.bukkit.*;
 import org.bukkit.command.CommandSender;
-import org.bukkit.craftbukkit.v1_20_R3.entity.CraftPlayer;
+import org.bukkit.craftbukkit.entity.CraftPlayer;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Player;
diff --git a/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/bridge/InternalBridgeImpl.java b/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/bridge/InternalBridgeImpl.java
index 133a781..45b2415 100644
--- a/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/bridge/InternalBridgeImpl.java
+++ b/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/bridge/InternalBridgeImpl.java
@@ -4,7 +4,7 @@ import net.minecraft.core.BlockPos;
 import net.minecraft.network.protocol.game.ClientboundBlockDestructionPacket;
 import net.nuggetmc.tplus.api.InternalBridge;
 import org.bukkit.block.Block;
-import org.bukkit.craftbukkit.v1_20_R3.entity.CraftPlayer;
+import org.bukkit.craftbukkit.entity.CraftPlayer;
 import org.bukkit.entity.Player;
 
 public class InternalBridgeImpl implements InternalBridge {
diff --git a/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/command/CommandHandler.java b/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/command/CommandHandler.java
index 7bc1d2c..920bff5 100644
--- a/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/command/CommandHandler.java
+++ b/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/command/CommandHandler.java
@@ -13,7 +13,7 @@ import net.nuggetmc.tplus.command.commands.MainCommand;
 import org.bukkit.ChatColor;
 import org.bukkit.command.CommandSender;
 import org.bukkit.command.SimpleCommandMap;
-import org.bukkit.craftbukkit.v1_20_R3.CraftServer;
+import org.bukkit.craftbukkit.CraftServer;
 
 import java.lang.reflect.Method;
 import java.util.ArrayList;
diff --git a/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/nms/MockConnection.java b/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/nms/MockConnection.java
index 7e55cec..99a097e 100644
--- a/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/nms/MockConnection.java
+++ b/TerminatorPlus-Plugin/src/main/java/net/nuggetmc/tplus/nms/MockConnection.java
@@ -57,7 +57,7 @@ public class MockConnection extends Connection {
     }
 
     @Override
-    public void setListener(@NotNull PacketListener packetListener) {
+    public void setListenerForServerboundHandshake(@NotNull PacketListener packetListener) {
         try {
             PACKET_LISTENER_FIELD.set(this, packetListener);
             DISCONNECT_LISTENER_FIELD.set(this, null);
diff --git a/build.gradle.kts b/build.gradle.kts
index a435c20..be91637 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,5 +1,5 @@
 plugins {
-    id("java")
+    java
     id("net.nuggetmc.java-conventions")
 }
 
diff --git a/buildSrc/src/main/kotlin/net.nuggetmc.java-conventions.gradle.kts b/buildSrc/src/main/kotlin/net.nuggetmc.java-conventions.gradle.kts
index dfb3e32..3f654a9 100644
--- a/buildSrc/src/main/kotlin/net.nuggetmc.java-conventions.gradle.kts
+++ b/buildSrc/src/main/kotlin/net.nuggetmc.java-conventions.gradle.kts
@@ -3,4 +3,4 @@ plugins {
 }
 
 group = "net.nuggetmc"
-version = "4.4.0-BETA"
+version = "4.5.0-BETA"
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 41d9927..a4b76b9 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 41dfb87..e2847c8 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
index 1b6c787..f5feea6 100755
--- a/gradlew
+++ b/gradlew
@@ -15,6 +15,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 
 ##############################################################################
 #
@@ -55,7 +57,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,13 +82,12 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
-
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s
+' "$PWD" ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -133,22 +134,29 @@ location of your Java installation."
     fi
 else
     JAVACMD=java
-    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 
 Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
+    fi
 fi
 
 # Increase the maximum file descriptors if we can.
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC2039,SC3045
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -193,11 +201,15 @@ if "$cygwin" || "$msys" ; then
     done
 fi
 
-# Collect all arguments for the java command;
-#   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
-#     shell script including quotes and variable substitutions, so put them in
-#     double quotes to make sure that they get re-expanded; and
-#   * put everything else in single quotes, so that it's not re-expanded.
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \
@@ -205,6 +217,12 @@ set -- \
         org.gradle.wrapper.GradleWrapperMain \
         "$@"
 
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
 # Use "xargs" to parse quoted args.
 #
 # With -n1 it outputs one arg per line, with the quotes and backslashes removed.
diff --git a/gradlew.bat b/gradlew.bat
index 107acd3..9d21a21 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -13,8 +13,10 @@
 @rem See the License for the specific language governing permissions and
 @rem limitations under the License.
 @rem
+@rem SPDX-License-Identifier: Apache-2.0
+@rem
 
-@if "%DEBUG%" == "" @echo off
+@if "%DEBUG%"=="" @echo off
 @rem ##########################################################################
 @rem
 @rem  Gradle startup script for Windows
@@ -25,7 +27,8 @@
 if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
+if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
@@ -40,13 +43,13 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto execute
+if %ERRORLEVEL% equ 0 goto execute
 
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -56,11 +59,11 @@ set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
 if exist "%JAVA_EXE%" goto execute
 
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -75,13 +78,15 @@ set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
 :end
 @rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
+if %ERRORLEVEL% equ 0 goto mainEnd
 
 :fail
 rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
 rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
-exit /b 1
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
 
 :mainEnd
 if "%OS%"=="Windows_NT" endlocal