diff --git a/src/main/java/world/bentobox/challenges/panel/admin/AdminGUI.java b/src/main/java/world/bentobox/challenges/panel/admin/AdminGUI.java
index 4447657..64d665b 100644
--- a/src/main/java/world/bentobox/challenges/panel/admin/AdminGUI.java
+++ b/src/main/java/world/bentobox/challenges/panel/admin/AdminGUI.java
@@ -3,7 +3,11 @@ package world.bentobox.challenges.panel.admin;
 
 import org.bukkit.Material;
 import org.bukkit.World;
-import org.bukkit.conversations.*;
+import org.bukkit.conversations.Conversation;
+import org.bukkit.conversations.ConversationContext;
+import org.bukkit.conversations.ConversationFactory;
+import org.bukkit.conversations.Prompt;
+import org.bukkit.conversations.ValidatingPrompt;
 import org.bukkit.inventory.ItemStack;
 import org.eclipse.jdt.annotation.NonNull;
 
@@ -20,6 +24,7 @@ import world.bentobox.challenges.panel.CommonGUI;
 import world.bentobox.challenges.panel.util.ConfirmationGUI;
 import world.bentobox.challenges.utils.GuiUtils;
 import world.bentobox.challenges.utils.Utils;
+import world.bentobox.challenges.web.WebManager;
 
 
 /**
@@ -448,9 +453,23 @@ public class AdminGUI extends CommonGUI
 
             name = this.user.getTranslation("challenges.gui.buttons.admin.library");
             description = this.user.getTranslation("challenges.gui.descriptions.admin.library");
-            icon = new ItemStack(Material.COBWEB);
+
+            if (WebManager.isEnabled())
+            {
+                icon = new ItemStack(Material.COBWEB);
+            }
+            else
+            {
+                description += "|" + this.user.getTranslation("challenges.gui.descriptions.admin.download-disabled");
+                icon = new ItemStack(Material.STRUCTURE_VOID);
+            }
+
             clickHandler = (panel, user, clickType, slot) -> {
-                ListLibraryGUI.open(this);
+                if (WebManager.isEnabled())
+                {
+                    ListLibraryGUI.open(this);
+                }
+
                 return true;
             };
             glow = false;
diff --git a/src/main/java/world/bentobox/challenges/panel/admin/ListLibraryGUI.java b/src/main/java/world/bentobox/challenges/panel/admin/ListLibraryGUI.java
index 77f4867..4ee9d11 100644
--- a/src/main/java/world/bentobox/challenges/panel/admin/ListLibraryGUI.java
+++ b/src/main/java/world/bentobox/challenges/panel/admin/ListLibraryGUI.java
@@ -2,6 +2,7 @@ package world.bentobox.challenges.panel.admin;
 
 
 import org.bukkit.ChatColor;
+import org.bukkit.Material;
 import org.bukkit.World;
 import java.util.ArrayList;
 import java.util.List;
@@ -115,12 +116,58 @@ public class ListLibraryGUI extends CommonGUI
             panelBuilder.item(26, this.getButton(CommonButtons.NEXT));
         }
 
+        panelBuilder.item(4, this.createDownloadNow());
         panelBuilder.item(44, this.returnButton);
 
         panelBuilder.build();
     }
 
 
+    /**
+     * This creates download now button, that can skip waiting for automatic request.
+     * @return PanelItem button that allows to manually download libraries.
+     */
+    private PanelItem createDownloadNow()
+    {
+        List<String> description = new ArrayList<>(2);
+        description.add(this.user.getTranslation("challenges.gui.descriptions.admin.download"));
+        description.add(this.user.getTranslation("challenges.gui.descriptions.current-value",
+            "[value]",
+            this.clearCache ?
+                this.user.getTranslation("challenges.gui.descriptions.enabled") :
+                this.user.getTranslation("challenges.gui.descriptions.disabled")));
+
+        PanelItemBuilder itemBuilder = new PanelItemBuilder().
+            name(this.user.getTranslation("challenges.gui.buttons.admin.download")).
+            description(GuiUtils.stringSplit(description, this.addon.getChallengesSettings().getLoreLineLength())).
+            icon(Material.HOPPER).
+            glow(this.clearCache);
+
+        itemBuilder.clickHandler((panel, user1, clickType, slot) ->
+        {
+            if (clickType.isRightClick())
+            {
+                this.clearCache = !this.clearCache;
+                panel.getInventory().setItem(slot, this.createDownloadNow().getItem());
+            }
+            else
+            {
+                this.addon.getWebManager().requestCatalogGitHubData(false);
+
+                // add some delay to rebuilding gui.
+                this.addon.getPlugin().getServer().getScheduler().runTaskLaterAsynchronously(
+                    this.addon.getPlugin(),
+                    this::build,
+                    100L);
+            }
+
+            return true;
+        });
+
+        return itemBuilder.build();
+    }
+
+
     /**
      * This method creates button for given library entry.
      * @param libraryEntry LibraryEntry which button must be created.
@@ -199,6 +246,10 @@ public class ListLibraryGUI extends CommonGUI
 // Section: Instance Variables
 // ---------------------------------------------------------------------
 
+    /**
+     * Indicates if download now button should trigger cache clearing.
+     */
+    private boolean clearCache;
 
     /**
      * This variable will protect against spam-click.
diff --git a/src/main/java/world/bentobox/challenges/web/WebManager.java b/src/main/java/world/bentobox/challenges/web/WebManager.java
index 4c0b0e9..7ff6e74 100644
--- a/src/main/java/world/bentobox/challenges/web/WebManager.java
+++ b/src/main/java/world/bentobox/challenges/web/WebManager.java
@@ -194,6 +194,16 @@ public class WebManager
 	}
 
 
+	/**
+	 * This static method returns if GitHub data downloader is enabled or not.
+	 * @return {@code true} if data downloader is enabled, {@code false} - otherwise.
+	 */
+	public static boolean isEnabled()
+	{
+		return BentoBox.getInstance().getWebManager().getGitHub().isPresent();
+	}
+
+
 // ---------------------------------------------------------------------
 // Section: Variables
 // ---------------------------------------------------------------------
diff --git a/src/main/resources/locales/en-US.yml b/src/main/resources/locales/en-US.yml
index 095be9e..7be7962 100755
--- a/src/main/resources/locales/en-US.yml
+++ b/src/main/resources/locales/en-US.yml
@@ -169,6 +169,7 @@ challenges:
                 complete-wipe: 'Wipe Addon Databases'
 
                 library: 'Web Library'
+                download: 'Download Libraries'
             next: 'Next'
             previous: 'Previous'
             return: 'Return'
@@ -277,6 +278,9 @@ challenges:
                 library-lang: '&aLanguage: [lang]'
                 library-gamemode: '&aPrimary for [gamemode]'
 
+                download: 'Allows manually update available challenges libraries. |Right click to enable cache clearing.'
+                download-disabled: 'GitHub data downloader is disabled in BentoBox. Without it, you cannot use Libraries!'
+
                 lore:
                   level: "Level string. | Represents translation 'challenges.gui.challenge-description.level'."
                   status: "Status string. | Represents translation 'challenges.gui.challenge-description.completed'."