diff --git a/build.gradle.kts b/build.gradle.kts
index a8c88cb5..94738ab7 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -102,7 +102,7 @@ dependencies {
 
   implementation("dev.jorel", "commandapi-bukkit-shade-mojang-mapped", "9.5.3")
   implementation("net.lingala.zip4j", "zip4j", "2.11.5")
-  implementation("com.github.EsotericFoundation:utility.kt:0.3.0")
+  implementation("com.github.EsotericFoundation:utility.kt:0.4.0")
   implementation("com.github.EsotericFoundation:plugin-library:0.3.0")
 }
 
diff --git a/src/main/java/foundation/esoteric/minecraft/plugins/template/file/FileUtil.java b/src/main/java/foundation/esoteric/minecraft/plugins/template/file/FileUtil.java
deleted file mode 100644
index 03556e29..00000000
--- a/src/main/java/foundation/esoteric/minecraft/plugins/template/file/FileUtil.java
+++ /dev/null
@@ -1,34 +0,0 @@
-package foundation.esoteric.minecraft.plugins.template.file;
-
-import net.lingala.zip4j.ZipFile;
-import org.jetbrains.annotations.NotNull;
-
-import java.io.File;
-import java.io.IOException;
-
-public class FileUtil {
-
-  private static final String FILE_EXTENSION_SEPARATOR = ".";
-
-  private static final String FILE_MIME_TYPE_TYPE_SUBTYPE_SEPARATOR = "/";
-
-  public static String getFileExtensionSeparator() {
-    return FILE_EXTENSION_SEPARATOR;
-  }
-
-  public static String getFileMimeTypeTypeSubtypeSeparator() {
-    return FILE_MIME_TYPE_TYPE_SUBTYPE_SEPARATOR;
-  }
-
-  public static void zipFolder(@NotNull File sourceFolder, File zipFile) throws IOException {
-    try (ZipFile zipFileInstance = new ZipFile(zipFile)) {
-      for (File file : sourceFolder.listFiles()) {
-        if (file.isDirectory()) {
-          zipFileInstance.addFolder(file);
-        } else {
-          zipFileInstance.addFile(file);
-        }
-      }
-    }
-  }
-}
diff --git a/src/main/java/foundation/esoteric/minecraft/plugins/template/http/server/HttpServerManager.java b/src/main/java/foundation/esoteric/minecraft/plugins/template/http/server/HttpServerManager.java
index c052afae..6a2a78b4 100644
--- a/src/main/java/foundation/esoteric/minecraft/plugins/template/http/server/HttpServerManager.java
+++ b/src/main/java/foundation/esoteric/minecraft/plugins/template/http/server/HttpServerManager.java
@@ -5,7 +5,6 @@
 import com.sun.net.httpserver.HttpServer;
 import org.bukkit.Bukkit;
 import foundation.esoteric.minecraft.plugins.template.PaperTemplatePlugin;
-import foundation.esoteric.minecraft.plugins.template.file.FileUtil;
 import foundation.esoteric.minecraft.plugins.template.http.server.event.listeners.PlayerJoinListener;
 import foundation.esoteric.minecraft.plugins.template.resourcepack.ResourcePackManager;
 import org.jetbrains.annotations.NotNull;
@@ -74,7 +73,7 @@ public void handle(HttpExchange exchange) throws IOException {
 
       if (file.exists()) {
         exchange.getResponseHeaders().set("Content-Type", resourcePackManager.getResourcePackFileMimeType());
-        exchange.getResponseHeaders().set("Content-Disposition", "attachment; filename=\"" + resourcePackManager.getResourcePackResourceFolderName() + FileUtil.getFileExtensionSeparator() + resourcePackManager.getResourcePackFileExtension() + "\"");
+        exchange.getResponseHeaders().set("Content-Disposition", "attachment; filename=\"" + resourcePackManager.getResourcePackResourceFolderName() + "." + resourcePackManager.getResourcePackFileExtension() + "\"");
 
         exchange.sendResponseHeaders(successResponseCode, file.length());
 
diff --git a/src/main/java/foundation/esoteric/minecraft/plugins/template/resourcepack/ResourcePackManager.java b/src/main/java/foundation/esoteric/minecraft/plugins/template/resourcepack/ResourcePackManager.java
index d4edba94..ea450b6a 100644
--- a/src/main/java/foundation/esoteric/minecraft/plugins/template/resourcepack/ResourcePackManager.java
+++ b/src/main/java/foundation/esoteric/minecraft/plugins/template/resourcepack/ResourcePackManager.java
@@ -3,7 +3,6 @@
 import foundation.esoteric.utility.file.FileUtility;
 import org.apache.commons.io.FileUtils;
 import foundation.esoteric.minecraft.plugins.template.PaperTemplatePlugin;
-import foundation.esoteric.minecraft.plugins.template.file.FileUtil;
 
 import java.io.File;
 import java.util.List;
@@ -16,7 +15,7 @@ public class ResourcePackManager {
 
   private final String resourcePackFileType = "application";
   private final String resourcePackFileExtension = "zip";
-  private final String resourcePackFileMimeType = resourcePackFileType + FileUtil.getFileMimeTypeTypeSubtypeSeparator() + resourcePackFileExtension;
+  private final String resourcePackFileMimeType = resourcePackFileType + "/" + resourcePackFileExtension;
 
   private final String resourcePackAssetsFolderName = "assets";
 
@@ -70,11 +69,11 @@ private void saveResourcepackZipFile() {
       return;
     }
 
-    resourcePackZipFilePath = plugin.getDataPath() + File.separator + resourcePackResourceFolderName + FileUtil.getFileExtensionSeparator() + resourcePackFileExtension;
+    resourcePackZipFilePath = plugin.getDataPath() + File.separator + resourcePackResourceFolderName + "." + resourcePackFileExtension;
 
     try {
       resourcePackZipFile = new File(resourcePackZipFilePath);
-      FileUtil.zipFolder(resourcePackFolder, resourcePackZipFile);
+      FileUtility.Companion.zipFolder(resourcePackFolder, resourcePackZipFile);
 
       FileUtils.deleteDirectory(resourcePackFolder);
     } catch (Exception exception) {