diff --git a/common/src/main/java/whocraft/tardis_refined/common/tardis/manager/TardisPilotingManager.java b/common/src/main/java/whocraft/tardis_refined/common/tardis/manager/TardisPilotingManager.java
index eb87f0233..be7b075ec 100644
--- a/common/src/main/java/whocraft/tardis_refined/common/tardis/manager/TardisPilotingManager.java
+++ b/common/src/main/java/whocraft/tardis_refined/common/tardis/manager/TardisPilotingManager.java
@@ -27,7 +27,6 @@
 import whocraft.tardis_refined.common.capability.upgrades.SpeedUpgrade;
 import whocraft.tardis_refined.common.capability.upgrades.Upgrade;
 import whocraft.tardis_refined.common.capability.upgrades.UpgradeHandler;
-import whocraft.tardis_refined.registry.TRUpgrades;
 import whocraft.tardis_refined.common.tardis.TardisArchitectureHandler;
 import whocraft.tardis_refined.common.tardis.TardisNavLocation;
 import whocraft.tardis_refined.common.util.PlayerUtil;
@@ -36,6 +35,7 @@
 import whocraft.tardis_refined.constants.NbtConstants;
 import whocraft.tardis_refined.patterns.ConsolePattern;
 import whocraft.tardis_refined.registry.TRSoundRegistry;
+import whocraft.tardis_refined.registry.TRUpgrades;
 
 import java.util.*;
 
@@ -1046,19 +1046,16 @@ private void onRestoreFuel() {
      */
     private int getLatestSpeedModifier() {
         UpgradeHandler upgradeHandler = this.operator.getUpgradeHandler();
-        Upgrade upgrade = TRUpgrades.SPEED_III.get();
-
-        for (int i = 0; i < 3; i++)
-        {
-            if (!(upgrade instanceof SpeedUpgrade))
-                return this.speedModifier;
-
-            if (upgradeHandler.isUpgradeUnlocked(upgrade))
-                return ((SpeedUpgrade) upgrade).getSpeedModifier();
-
-            upgrade = upgrade.getParent();
-        }
 
+        this.speedModifier = TRUpgrades.UPGRADE_DEFERRED_REGISTRY.entrySet().stream()
+                .map(Map.Entry::getValue)
+                .filter(upgrade -> upgrade instanceof SpeedUpgrade)
+                .map(upgrade -> (SpeedUpgrade) upgrade)
+                .filter(upgradeHandler::isUpgradeUnlocked)
+                .mapToInt(SpeedUpgrade::getSpeedModifier)
+                .max()
+                .orElse(1);
         return this.speedModifier;
     }
+
 }
diff --git a/common/src/main/java/whocraft/tardis_refined/registry/TRUpgrades.java b/common/src/main/java/whocraft/tardis_refined/registry/TRUpgrades.java
index 5ce7747b7..9b2c6386e 100644
--- a/common/src/main/java/whocraft/tardis_refined/registry/TRUpgrades.java
+++ b/common/src/main/java/whocraft/tardis_refined/registry/TRUpgrades.java
@@ -75,12 +75,18 @@ public class TRUpgrades {
     public static final RegistrySupplier<Upgrade> FLIGHT_SYSTEM = UPGRADE_DEFERRED_REGISTRY.register("flight_system", () -> new Upgrade(Items.ELYTRA::getDefaultInstance, TARDIS_XP, RegistryHelper.makeKey("flight_system"), Upgrade.UpgradeType.MAIN_UPGRADE)
             .setSkillPointsRequired(1).setPosition(9, 1));
 
-    public static final RegistrySupplier<Upgrade> SPEED_I = UPGRADE_DEFERRED_REGISTRY.register("speed_i", () -> new SpeedUpgrade(Items.FIREWORK_ROCKET::getDefaultInstance, FLIGHT_SYSTEM, RegistryHelper.makeKey("speed_i"), Upgrade.UpgradeType.SUB_UPGRADE).setSpeedModifier(2)
+    public static final RegistrySupplier<Upgrade> SPEED_I = UPGRADE_DEFERRED_REGISTRY.register("speed_i", () -> new SpeedUpgrade(Items.FIREWORK_ROCKET::getDefaultInstance, FLIGHT_SYSTEM, RegistryHelper.makeKey("speed_i"), Upgrade.UpgradeType.SUB_UPGRADE).setSpeedModifier(5)
             .setSkillPointsRequired(10).setPosition(9, 2));
 
-    public static final RegistrySupplier<Upgrade> SPEED_II = UPGRADE_DEFERRED_REGISTRY.register("speed_ii", () -> new SpeedUpgrade(Items.FIREWORK_ROCKET::getDefaultInstance, SPEED_I, RegistryHelper.makeKey("speed_ii"), Upgrade.UpgradeType.SUB_UPGRADE).setSpeedModifier(5)
+    public static final RegistrySupplier<Upgrade> SPEED_II = UPGRADE_DEFERRED_REGISTRY.register("speed_ii", () -> new SpeedUpgrade(Items.FIREWORK_ROCKET::getDefaultInstance, SPEED_I, RegistryHelper.makeKey("speed_ii"), Upgrade.UpgradeType.SUB_UPGRADE).setSpeedModifier(10)
             .setSkillPointsRequired(20).setPosition(9, 3));
 
-    public static final RegistrySupplier<Upgrade> SPEED_III = UPGRADE_DEFERRED_REGISTRY.register("speed_iii", () -> new SpeedUpgrade(Items.FIREWORK_ROCKET::getDefaultInstance, SPEED_II, RegistryHelper.makeKey("speed_iii"), Upgrade.UpgradeType.SUB_UPGRADE).setSpeedModifier(10)
+    public static final RegistrySupplier<Upgrade> SPEED_III = UPGRADE_DEFERRED_REGISTRY.register("speed_iii", () -> new SpeedUpgrade(Items.FIREWORK_ROCKET::getDefaultInstance, SPEED_II, RegistryHelper.makeKey("speed_iii"), Upgrade.UpgradeType.SUB_UPGRADE).setSpeedModifier(25)
             .setSkillPointsRequired(30).setPosition(9, 4));
+
+    public static final RegistrySupplier<Upgrade> SPEED_IV = UPGRADE_DEFERRED_REGISTRY.register("speed_iv", () -> new SpeedUpgrade(Items.FIREWORK_ROCKET::getDefaultInstance, SPEED_II, RegistryHelper.makeKey("speed_iv"), Upgrade.UpgradeType.SUB_UPGRADE)
+            .setSpeedModifier(50)
+            .setSkillPointsRequired(50)
+            .setPosition(9, 5));
+
 }
diff --git a/forge/src/main/java/whocraft/tardis_refined/common/data/LangProviderEnglish.java b/forge/src/main/java/whocraft/tardis_refined/common/data/LangProviderEnglish.java
index ac2722b42..bf6c1e98b 100644
--- a/forge/src/main/java/whocraft/tardis_refined/common/data/LangProviderEnglish.java
+++ b/forge/src/main/java/whocraft/tardis_refined/common/data/LangProviderEnglish.java
@@ -274,9 +274,10 @@ protected void addTranslations() {
         addUpgrade(TRUpgrades.IMPROVED_GENERATION_TIME_II.get(), "Improved Generation II", "Lowers desktop wait times to 60 seconds");
         addUpgrade(TRUpgrades.IMPROVED_GENERATION_TIME_III.get(), "Improved Generation III", "Lowers desktop wait times to 10 seconds");
         addUpgrade(TRUpgrades.FLIGHT_SYSTEM.get(), "Flight System", "Allows upgrades to the TARDIS Flight System");
-        addUpgrade(TRUpgrades.SPEED_I.get(), "Speed I", "Flight speed is 2x faster");
-        addUpgrade(TRUpgrades.SPEED_II.get(), "Speed II", "Flight speed is 5x faster");
-        addUpgrade(TRUpgrades.SPEED_III.get(), "Speed III", "Flight speed is 10x faster");
+        addUpgrade(TRUpgrades.SPEED_I.get(), "Speed I", "Flight speed is 5x faster");
+        addUpgrade(TRUpgrades.SPEED_II.get(), "Speed II", "Flight speed is 10x faster");
+        addUpgrade(TRUpgrades.SPEED_III.get(), "Speed III", "Flight speed is 25x faster");
+        addUpgrade(TRUpgrades.SPEED_IV.get(), "Speed IV", "Flight speed is 50x faster");
 
     }
 
diff --git a/gradle.properties b/gradle.properties
index 8898d8c9d..192dfeeef 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -46,7 +46,7 @@ neoforge_data_pack_format=18
 ##Mod Information
 
 #Common Mod Information
-mod_version=2.0.5
+mod_version=2.0.6
 license=https://github.com/Whocraft/TardisRefined/blob/minecraft/1.20/LICENSE.MD
 credits=Commoble, Lucraft, starray1000000, Monsterwaill, TheJudge, LoxiGoose
 mod_authors=CommandrMoose / River, Jeryn99, Magic Man, ILikePandas, Jacob K, 50ap5ud5