diff --git a/pom.xml b/pom.xml
index 1d63bc3..baf1b47 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
     </repository>
       <repository>
           <id>placeholderapi</id>
-          <url>https://repo.extendedclip.com/content/repositories/placeholderapi/</url>
+          <url>https://repo.extendedclip.com/releases/</url>
       </repository>
   </repositories>
 
@@ -30,7 +30,7 @@
       <dependency>
           <groupId>net.luckperms</groupId>
           <artifactId>api</artifactId>
-          <version>5.4</version>
+          <version>5.5</version>
           <scope>provided</scope>
       </dependency>
 
@@ -38,7 +38,7 @@
       <dependency>
           <groupId>org.spigotmc</groupId>
           <artifactId>spigot-api</artifactId>
-          <version>1.20.6-R0.1-SNAPSHOT</version>
+          <version>1.21.11-R0.1-SNAPSHOT</version>
           <scope>provided</scope>
       </dependency>
       <dependency>
@@ -51,7 +51,7 @@
     <dependency>
         <groupId>com.github.MilkBowl</groupId>
         <artifactId>VaultAPI</artifactId>
-        <version>1.7</version>
+        <version>1.7.1</version>
         <scope>provided</scope>
 	    <exclusions>
 		    <exclusion>
@@ -63,7 +63,7 @@
     <dependency>
      	<groupId>me.clip</groupId>
     	<artifactId>placeholderapi</artifactId>
-        <version>2.11.1</version>
+        <version>2.12.2</version>
         <scope>provided</scope>
     </dependency>
 	<!-- present at runtime in all supported versions, but not a transient dep. of spigot-api -->
@@ -76,7 +76,7 @@
       <dependency>
           <groupId>org.jetbrains</groupId>
           <artifactId>annotations</artifactId>
-          <version>24.0.1</version>
+          <version>26.0.2</version>
           <scope>compile</scope>
       </dependency>
 
@@ -94,7 +94,7 @@
 		<plugins>
 			<plugin>
 				<artifactId>maven-compiler-plugin</artifactId>
-				<version>3.11.0</version>
+				<version>3.15.0</version>
 				<configuration>
 					<source>${java.version}</source>
 					<target>${java.version}</target>
diff --git a/src/main/java/de/xite/scoreboard/modules/tablist/TablistPlayer.java b/src/main/java/de/xite/scoreboard/modules/tablist/TablistPlayer.java
index 68f52a8..d7113c2 100644
--- a/src/main/java/de/xite/scoreboard/modules/tablist/TablistPlayer.java
+++ b/src/main/java/de/xite/scoreboard/modules/tablist/TablistPlayer.java
@@ -6,7 +6,7 @@
 
 import de.xite.scoreboard.main.PowerBoard;
 
-import javax.annotation.Nullable;
+import org.jetbrains.annotations.Nullable;
 
 public class TablistPlayer {
 	static PowerBoard pl = PowerBoard.pl;
diff --git a/src/main/java/de/xite/scoreboard/utils/Version.java b/src/main/java/de/xite/scoreboard/utils/Version.java
index 31975fc..cb8de67 100644
--- a/src/main/java/de/xite/scoreboard/utils/Version.java
+++ b/src/main/java/de/xite/scoreboard/utils/Version.java
@@ -3,13 +3,13 @@
 import de.xite.scoreboard.main.PowerBoard;
 import org.bukkit.Bukkit;
 
-import javax.annotation.Nonnull;
+import org.jetbrains.annotations.NotNull;
 import java.util.logging.Logger;
 
 public class Version implements Comparable<Version> {
 	private final String version;
 
-	public Version(@Nonnull String version) {
+	public Version(@NotNull String version) {
 		if(!version.matches("[0-9]+(\\.[0-9]+)*"))
 			throw new IllegalArgumentException("Invalid version format");
 		this.version = version;
@@ -59,7 +59,7 @@ public Version(@Nonnull String version) {
 	 * int = -1: a is older than b
 	 */
 	@Override
-	public int compareTo(@Nonnull Version that) {
+	public int compareTo(@NotNull Version that) {
 		String[] thisParts = this.version.split("\\.");
 		String[] thatParts = that.version.split("\\.");