diff --git a/pom.xml b/pom.xml
index 290b8cd..1919568 100644
--- a/pom.xml
+++ b/pom.xml
@@ -73,13 +73,13 @@
         <dependency>
             <groupId>org.spigotmc</groupId>
             <artifactId>spigot-api</artifactId>
-            <version>1.19.2-R0.1-SNAPSHOT</version>
+            <version>1.20.1-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.jetbrains</groupId>
             <artifactId>annotations</artifactId>
-            <version>23.0.0</version>
+            <version>24.0.1</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
diff --git a/src/main/java/net/knarcraft/permissionsigns/listener/SignListener.java b/src/main/java/net/knarcraft/permissionsigns/listener/SignListener.java
index 72b53b2..2af48b7 100644
--- a/src/main/java/net/knarcraft/permissionsigns/listener/SignListener.java
+++ b/src/main/java/net/knarcraft/permissionsigns/listener/SignListener.java
@@ -14,6 +14,8 @@ import org.bukkit.Material;
 import org.bukkit.Tag;
 import org.bukkit.block.Block;
 import org.bukkit.block.Sign;
+import org.bukkit.block.sign.Side;
+import org.bukkit.block.sign.SignSide;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
@@ -194,7 +196,8 @@ public class SignListener implements Listener {
      * @param player  <p>The player that interacted with the sign</p>
      */
     private void registerPermissionSign(Sign sign, SignCreationRequest request, Player player) {
-        String[] lines = sign.getLines();
+        SignSide frontSide = sign.getSide(Side.FRONT);
+        String[] lines = frontSide.getLines();
         //Don't allow non-empty signs to be overwritten
         if (!Arrays.stream(lines).allMatch(String::isEmpty)) {
             return;
@@ -209,8 +212,9 @@ public class SignListener implements Listener {
         //Display the permission sign information on the sign
         String[] signLines = permissionSign.getSignLines();
         for (int i = 0; i < signLines.length; i++) {
-            sign.setLine(i, signLines[i]);
+            frontSide.setLine(i, signLines[i]);
         }
+        sign.setWaxed(true);
         sign.update();
         player.sendMessage(StringFormatter.getTranslatedInfoMessage(TranslatableMessage.PERMISSION_SIGN_CREATED));
     }
diff --git a/src/main/java/net/knarcraft/permissionsigns/manager/SignManager.java b/src/main/java/net/knarcraft/permissionsigns/manager/SignManager.java
index 67cd763..133af72 100644
--- a/src/main/java/net/knarcraft/permissionsigns/manager/SignManager.java
+++ b/src/main/java/net/knarcraft/permissionsigns/manager/SignManager.java
@@ -7,6 +7,8 @@ import org.bukkit.Location;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockState;
 import org.bukkit.block.Sign;
+import org.bukkit.block.sign.Side;
+import org.bukkit.block.sign.SignSide;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.InvalidConfigurationException;
 import org.bukkit.configuration.file.YamlConfiguration;
@@ -127,12 +129,14 @@ public final class SignManager {
                     continue;
                 }
                 String[] newLines = permissionSign.getSignLines();
-                if (Arrays.equals(sign.getLines(), newLines)) {
+                SignSide frontSide = sign.getSide(Side.FRONT);
+                if (Arrays.equals(frontSide.getLines(), newLines)) {
                     continue;
                 }
                 for (int i = 0; i < 4; i++) {
-                    sign.setLine(i, newLines[i]);
+                    frontSide.setLine(i, newLines[i]);
                 }
+                sign.setWaxed(true);
                 sign.update();
             }
             for (Location signLocation : invalidPermissionSigns) {
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index 870d4f4..dac0968 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -1,7 +1,7 @@
 name: PermissionSigns
 version: 1.0.4
 main: net.knarcraft.permissionsigns.PermissionSigns
-api-version: 1.18
+api-version: '1.20'
 prefix: PermissionSigns
 depend: [ Vault ]
 authors: [ EpicKnarvik97 ]