diff --git a/Plan/extensions/build.gradle b/Plan/extensions/build.gradle
index 755e7060d..c5687428c 100644
--- a/Plan/extensions/build.gradle
+++ b/Plan/extensions/build.gradle
@@ -31,7 +31,7 @@ dependencies {
     shadow 'net.playeranalytics:Extension-McMMO:2.1.149-R2.5'
     shadow 'net.playeranalytics:Extension-MinigamesLib:1.14.17-R1.2'
     shadow 'net.playeranalytics:Extension-MyPet:3.10-R1.2'
-//    shadow 'net.playeranalytics:Extension-Nucleus:2.3.0-R1.1' // TODO Update to sponge 8
+    shadow 'net.playeranalytics:Extension-Nucleus:3.0.0-R1.0'
     shadow 'net.playeranalytics:Extension-nuVotifier:2.3.4-R1.3'
     shadow 'net.playeranalytics:Extension-PlaceholderAPI:2.10.9-R1.5'
     shadow 'net.playeranalytics:Extension-PlotSquared:6.9.4-R1.3'
diff --git a/Plan/extensions/src/main/java/com/djrapitops/plan/extension/implementation/ExtensionRegister.java b/Plan/extensions/src/main/java/com/djrapitops/plan/extension/implementation/ExtensionRegister.java
index cc682d28d..9dac7510f 100644
--- a/Plan/extensions/src/main/java/com/djrapitops/plan/extension/implementation/ExtensionRegister.java
+++ b/Plan/extensions/src/main/java/com/djrapitops/plan/extension/implementation/ExtensionRegister.java
@@ -50,6 +50,7 @@ import net.playeranalytics.extension.marriagemaster.MarriageMasterExtensionFacto
 import net.playeranalytics.extension.mcmmo.McMMOExtensionFactory;
 import net.playeranalytics.extension.minigameslib.MinigameLibExtensionFactory;
 import net.playeranalytics.extension.mypet.MyPetExtensionFactory;
+import net.playeranalytics.extension.nucleus.extension.NucleusExtensionFactory;
 import net.playeranalytics.extension.nuvotifier.NuVotifierExtensionFactory;
 import net.playeranalytics.extension.placeholderapi.PlaceholderAPIExtensionFactory;
 import net.playeranalytics.extension.plotsquared.PlotSquaredExtensionFactory;
@@ -130,7 +131,7 @@ public class ExtensionRegister {
         register(new McMMOExtensionFactory(), McMMOExtensionFactory::createExtension, McMMOExtensionFactory::registerExpansion);
         registerMany(new MinigameLibExtensionFactory(), MinigameLibExtensionFactory::createExtensions);
         register(new MyPetExtensionFactory(), MyPetExtensionFactory::createExtension);
-        //register(new NucleusExtensionFactory(), NucleusExtensionFactory::createExtension); // TODO: update for Sponge API 8
+        register(new NucleusExtensionFactory(), NucleusExtensionFactory::createExtension);
         register(new NuVotifierExtensionFactory(), NuVotifierExtensionFactory::createExtension);
         register(new PlaceholderAPIExtensionFactory(), PlaceholderAPIExtensionFactory::createExtension);
         register(new PlotSquaredExtensionFactory(), PlotSquaredExtensionFactory::createExtension);