diff --git a/zip-nms/zip-nms-v1_20_R4/pom.xml b/zip-nms/zip-nms-v1_20_R4/pom.xml
index 05a773e..f1fd88b 100644
--- a/zip-nms/zip-nms-v1_20_R4/pom.xml
+++ b/zip-nms/zip-nms-v1_20_R4/pom.xml
@@ -21,7 +21,7 @@
 		<dependency>
 			<groupId>org.spigotmc</groupId>
 			<artifactId>spigot</artifactId>
-			<version>1.20.5-R0.1-SNAPSHOT</version>
+			<version>1.20.6-R0.1-SNAPSHOT</version>
 			<classifier>remapped-mojang</classifier>
 			<scope>provided</scope>
 		</dependency>
@@ -42,10 +42,10 @@
 						<id>remap-obf</id>
 						<configuration>
 							<srgIn>
-								org.spigotmc:minecraft-server:1.20.5-R0.1-SNAPSHOT:txt:maps-mojang</srgIn>
+								org.spigotmc:minecraft-server:1.20.6-R0.1-SNAPSHOT:txt:maps-mojang</srgIn>
 							<reverse>true</reverse>
 							<remappedDependencies>
-								org.spigotmc:spigot:1.20.5-R0.1-SNAPSHOT:jar:remapped-mojang</remappedDependencies>
+								org.spigotmc:spigot:1.20.6-R0.1-SNAPSHOT:jar:remapped-mojang</remappedDependencies>
 							<remappedArtifactAttached>true</remappedArtifactAttached>
 							<remappedClassifierName>remapped-obf</remappedClassifierName>
 						</configuration>
@@ -60,9 +60,9 @@
 							<inputFile>
 								${project.build.directory}/${project.artifactId}-${project.version}-remapped-obf.jar</inputFile>
 							<srgIn>
-								org.spigotmc:minecraft-server:1.20.5-R0.1-SNAPSHOT:csrg:maps-spigot</srgIn>
+								org.spigotmc:minecraft-server:1.20.6-R0.1-SNAPSHOT:csrg:maps-spigot</srgIn>
 							<remappedDependencies>
-								org.spigotmc:spigot:1.20.5-R0.1-SNAPSHOT:jar:remapped-obf</remappedDependencies>
+								org.spigotmc:spigot:1.20.6-R0.1-SNAPSHOT:jar:remapped-obf</remappedDependencies>
 						</configuration>
 					</execution>
 				</executions>
diff --git a/zip-plugin/src/main/java/net/imprex/zip/BackpackListener.java b/zip-plugin/src/main/java/net/imprex/zip/BackpackListener.java
index 7d0f5ad..14a4c6c 100644
--- a/zip-plugin/src/main/java/net/imprex/zip/BackpackListener.java
+++ b/zip-plugin/src/main/java/net/imprex/zip/BackpackListener.java
@@ -119,7 +119,7 @@ public void onCraftItem(CraftItemEvent event) {
 		ItemStack item = event.getCurrentItem();
 
 		ZIPBackpackType type = this.backpackHandler.getBackpackType(item);
-		if (type.hasCraftingPermission()) {
+		if (type != null && type.hasCraftingPermission()) {
 			String permission = type.getCraftingPermission();
 			if (!player.hasPermission(permission)) {
 				event.setCancelled(true);