diff --git a/pom.xml b/pom.xml
index 76d28f7..5df26ad 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>nl.SBDeveloper</groupId>
     <artifactId>ThemeParkPlus</artifactId>
-    <version>2.1.2</version>
+    <version>2.1.3</version>
     <packaging>jar</packaging>
 
     <name>ThemeParkPlus</name>
@@ -124,15 +124,15 @@
         <dependency>
             <groupId>org.spigotmc</groupId>
             <artifactId>spigot-api</artifactId>
-            <version>1.16.1-R0.1-SNAPSHOT</version>
+            <version>1.16.4-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>me.paradoxpixel</groupId>
             <artifactId>themepark</artifactId>
-            <version>2.1.1</version>
+            <version>2.1.3</version>
             <scope>system</scope>
-            <systemPath>${pom.basedir}/src/lib/themepark-2.1.1.jar</systemPath>
+            <systemPath>${pom.basedir}/src/lib/themepark-2.1.3.jar</systemPath>
         </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
diff --git a/src/lib/themepark-2.1.1.jar b/src/lib/themepark-2.1.3.jar
similarity index 51%
rename from src/lib/themepark-2.1.1.jar
rename to src/lib/themepark-2.1.3.jar
index 6e230ad..4e3ba38 100644
Binary files a/src/lib/themepark-2.1.1.jar and b/src/lib/themepark-2.1.3.jar differ
diff --git a/src/main/lombok/nl/sbdeveloper/themeparkplus/api/enums/WalkingDirection.java b/src/main/lombok/nl/sbdeveloper/themeparkplus/api/enums/WalkingDirection.java
index d6a9726..acb3c79 100644
--- a/src/main/lombok/nl/sbdeveloper/themeparkplus/api/enums/WalkingDirection.java
+++ b/src/main/lombok/nl/sbdeveloper/themeparkplus/api/enums/WalkingDirection.java
@@ -11,7 +11,7 @@ public enum WalkingDirection {
     SOUTH(BlockFace.SOUTH),
     WEST(BlockFace.WEST);
 
-    private BlockFace blockFace;
+    private final BlockFace blockFace;
 
     WalkingDirection(BlockFace blockFace) {
         this.blockFace = blockFace;
diff --git a/src/main/lombok/nl/sbdeveloper/themeparkplus/api/objects/WaitingRow.java b/src/main/lombok/nl/sbdeveloper/themeparkplus/api/objects/WaitingRow.java
index 2234adb..e1a0934 100644
--- a/src/main/lombok/nl/sbdeveloper/themeparkplus/api/objects/WaitingRow.java
+++ b/src/main/lombok/nl/sbdeveloper/themeparkplus/api/objects/WaitingRow.java
@@ -14,7 +14,7 @@ public class WaitingRow {
     @Getter @Setter private String regionID;
     @Getter @Setter private transient int waitingPlayers = 0;
     @Getter private transient double waitingTimeMinutes = 0;
-    private ArrayList<Location> signLocations = new ArrayList<>();
+    private final ArrayList<Location> signLocations = new ArrayList<>();
 
     public WaitingRow(String rideID, String regionID) {
         this.rideID = rideID;