diff --git a/Plan/extensions/build.gradle b/Plan/extensions/build.gradle
index de5c9cf97..87751a240 100644
--- a/Plan/extensions/build.gradle
+++ b/Plan/extensions/build.gradle
@@ -32,6 +32,7 @@ dependencies {
     compile 'com.djrapitops:Extension-nuVotifier:2.3.4-R0.3'
     compile 'com.djrapitops:Extension-PlaceholderAPI:2.10.9-R0.1'
     compile 'com.djrapitops:Extension-PlotSquared:5.13.11-R0.1'
+    compile 'com.djrapitops:Extension-ProtectionStones:2.8.2-R0.1'
     compile 'com.djrapitops:Extension-ProtocolSupport:1.16.4-R0.1'
     compile 'com.djrapitops:Extension-Quests:4.0.2-R0.1'
     compile 'com.djrapitops:Extension-React:6.651-R0.1'
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 444436a27..b479dc095 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
@@ -88,6 +88,7 @@ public class ExtensionRegister {
         register(new NuVotifierExtensionFactory(), NuVotifierExtensionFactory::createExtension);
         register(new PlaceholderAPIExtensionFactory(), PlaceholderAPIExtensionFactory::createExtension);
         register(new PlotSquaredExtensionFactory(), PlotSquaredExtensionFactory::createExtension);
+        register(new ProtectionStonesExtensionFactory(), ProtectionStonesExtensionFactory::createExtension);
         register(new ProtocolSupportExtensionFactory(), ProtocolSupportExtensionFactory::createExtension);
         register(new QuestsExtensionFactory(), QuestsExtensionFactory::createExtension);
         register(new ReactExtensionFactory(), ReactExtensionFactory::createExtension);