diff --git a/src/main/java/com/thebrokenrail/energonrelics/client/EnergonRelicsClient.java b/src/main/java/com/thebrokenrail/energonrelics/client/EnergonRelicsClient.java
index 3c524b7..44ebafd 100644
--- a/src/main/java/com/thebrokenrail/energonrelics/client/EnergonRelicsClient.java
+++ b/src/main/java/com/thebrokenrail/energonrelics/client/EnergonRelicsClient.java
@@ -19,7 +19,7 @@ import net.minecraft.client.render.RenderLayer;
 import net.minecraft.util.ActionResult;
 
 @Environment(EnvType.CLIENT)
-public class EnergonRelicsClient implements ClientModInitializer {
+public final class EnergonRelicsClient implements ClientModInitializer {
     @Environment(EnvType.CLIENT)
     private static class ReloadSerializer<T extends ConfigData> extends GsonConfigSerializer<T> {
         public ReloadSerializer(Config definition, Class<T> configClass) {
diff --git a/src/main/java/com/thebrokenrail/energonrelics/client/ModMenu.java b/src/main/java/com/thebrokenrail/energonrelics/client/ModMenu.java
index 1da3335..cfb0e8f 100644
--- a/src/main/java/com/thebrokenrail/energonrelics/client/ModMenu.java
+++ b/src/main/java/com/thebrokenrail/energonrelics/client/ModMenu.java
@@ -8,7 +8,7 @@ import net.fabricmc.api.EnvType;
 import net.fabricmc.api.Environment;
 
 @Environment(EnvType.CLIENT)
-public class ModMenu implements ModMenuApi {
+public final class ModMenu implements ModMenuApi {
     @Override
     public ConfigScreenFactory<?> getModConfigScreenFactory() {
         return screen -> AutoConfig.getConfigScreen(UserConfig.class, screen).get();
diff --git a/src/main/java/com/thebrokenrail/energonrelics/client/rei/EnergonRelicsPlugin.java b/src/main/java/com/thebrokenrail/energonrelics/client/rei/EnergonRelicsPlugin.java
index 93f1666..12ef9c3 100644
--- a/src/main/java/com/thebrokenrail/energonrelics/client/rei/EnergonRelicsPlugin.java
+++ b/src/main/java/com/thebrokenrail/energonrelics/client/rei/EnergonRelicsPlugin.java
@@ -11,7 +11,7 @@ import net.fabricmc.api.Environment;
 import net.minecraft.util.Identifier;
 
 @Environment(EnvType.CLIENT)
-public class EnergonRelicsPlugin implements REIPluginV0 {
+public final class EnergonRelicsPlugin implements REIPluginV0 {
     public static final Identifier INFUSER = new Identifier(EnergonRelics.NAMESPACE, "plugin/infuser");
     public static final Identifier REACTOR_FUEL = new Identifier(EnergonRelics.NAMESPACE, "plugin/reactor_fuel");