diff --git a/src/main/java/dev/plex/config/Config.java b/src/main/java/dev/plex/config/Config.java
index e374fde..b31363d 100644
--- a/src/main/java/dev/plex/config/Config.java
+++ b/src/main/java/dev/plex/config/Config.java
@@ -15,17 +15,17 @@ public class Config extends YamlConfiguration
     /**
      * The plugin instance
      */
-    private Plex plugin;
+    private final Plex plugin;
 
     /**
      * The File instance
      */
-    private File file;
+    private final File file;
 
     /**
      * The file name
      */
-    private String name;
+    private final String name;
 
     /**
      * Whether new entries were added to the file automatically
diff --git a/src/main/java/dev/plex/menu/PunishmentMenu.java b/src/main/java/dev/plex/menu/PunishmentMenu.java
index 853f9b3..26c2d35 100644
--- a/src/main/java/dev/plex/menu/PunishmentMenu.java
+++ b/src/main/java/dev/plex/menu/PunishmentMenu.java
@@ -20,7 +20,7 @@ import org.bukkit.inventory.meta.SkullMeta;
 public class PunishmentMenu extends AbstractMenu
 {
 
-    private List<Inventory> inventories = Lists.newArrayList();
+    private final List<Inventory> inventories = Lists.newArrayList();
 
     public PunishmentMenu()
     {
diff --git a/src/main/java/dev/plex/rank/enums/Rank.java b/src/main/java/dev/plex/rank/enums/Rank.java
index 177b9a0..6249dd2 100644
--- a/src/main/java/dev/plex/rank/enums/Rank.java
+++ b/src/main/java/dev/plex/rank/enums/Rank.java
@@ -20,16 +20,16 @@ public enum Rank
     private final int level;
 
     @Setter
-    private String loginMessage;
+    private final String loginMessage;
 
     @Setter
-    private String readable;
+    private final String readable;
 
     @Setter
-    private String prefix;
+    private final String prefix;
 
     @Getter
-    private NamedTextColor color;
+    private final NamedTextColor color;
 
     Rank(int level, String loginMessage, String readable, String prefix, NamedTextColor color)
     {
diff --git a/src/main/java/dev/plex/rank/enums/Title.java b/src/main/java/dev/plex/rank/enums/Title.java
index ac52169..31429fa 100644
--- a/src/main/java/dev/plex/rank/enums/Title.java
+++ b/src/main/java/dev/plex/rank/enums/Title.java
@@ -17,16 +17,16 @@ public enum Title
     private final int level;
 
     @Setter
-    private String loginMessage;
+    private final String loginMessage;
 
     @Setter
-    private String readable;
+    private final String readable;
 
     @Setter
-    private String prefix;
+    private final String prefix;
 
     @Getter
-    private NamedTextColor color;
+    private final NamedTextColor color;
 
     Title(int level, String loginMessage, String readable, String prefix, NamedTextColor color)
     {
diff --git a/src/main/java/dev/plex/services/AbstractService.java b/src/main/java/dev/plex/services/AbstractService.java
index 5ea2edf..91e286c 100644
--- a/src/main/java/dev/plex/services/AbstractService.java
+++ b/src/main/java/dev/plex/services/AbstractService.java
@@ -4,8 +4,8 @@ import dev.plex.PlexBase;
 
 public abstract class AbstractService extends PlexBase implements IService
 {
-    private boolean asynchronous;
-    private boolean repeating;
+    private final boolean asynchronous;
+    private final boolean repeating;
 
     public AbstractService(boolean repeating, boolean async)
     {
diff --git a/src/main/java/dev/plex/util/menu/AbstractMenu.java b/src/main/java/dev/plex/util/menu/AbstractMenu.java
index fc53d65..6cf298b 100644
--- a/src/main/java/dev/plex/util/menu/AbstractMenu.java
+++ b/src/main/java/dev/plex/util/menu/AbstractMenu.java
@@ -5,7 +5,7 @@ import org.bukkit.event.Listener;
 
 public abstract class AbstractMenu implements Listener
 {
-    private String name;
+    private final String name;
 
     public AbstractMenu(String name)
     {