diff --git a/build.gradle b/build.gradle
index 046e4a0..08c2594 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,7 +4,7 @@ plugins {
 }
 
 group = 'com.artillexstudios.axsmithing'
-version = '1.0'
+version = '1.2'
 
 repositories {
     mavenCentral()
@@ -40,6 +40,12 @@ compileJava {
     options.encoding = "UTF-8"
 }
 
+processResources {
+    filesMatching("plugin.yml") {
+        expand(version: version)
+    }
+}
+
 shadowJar {
     relocate("net.byteflux.libby", "com.artillexstudios.axsmithing.libs.libby")
     relocate("net.kyori", "com.artillexstudios.axsmithing.libs.kyori")
diff --git a/src/main/java/com/artillexstudios/axsmithing/gui/impl/SmithingTable_V1_16.java b/src/main/java/com/artillexstudios/axsmithing/gui/impl/SmithingTable_V1_16.java
index 15a913f..262eb05 100644
--- a/src/main/java/com/artillexstudios/axsmithing/gui/impl/SmithingTable_V1_16.java
+++ b/src/main/java/com/artillexstudios/axsmithing/gui/impl/SmithingTable_V1_16.java
@@ -116,6 +116,12 @@ public void handleClose(InventoryCloseEvent event) {
     public void handleDrag(InventoryDragEvent event) {
         if (!(event.getInventory().getHolder() instanceof SmithingTable_V1_16)) return;
 
+        ItemStack outputItem = event.getInventory().getItem(outputSlot);
+        if (event.getRawSlots().contains(outputSlot) && (outputItem == null || outputItem.getType().isAir()) && !event.getOldCursor().getType().isAir()) {
+            event.setCancelled(true);
+            return;
+        }
+
         if (event.getInventory().getItem(outputSlot) != null && event.getInventory().getItem(outputSlot).getType() != Material.AIR) {
             event.getInventory().getItem(outputSlot).setAmount(0);
         }
diff --git a/src/main/java/com/artillexstudios/axsmithing/gui/impl/SmithingTable_V1_20.java b/src/main/java/com/artillexstudios/axsmithing/gui/impl/SmithingTable_V1_20.java
index 6235c98..c160380 100644
--- a/src/main/java/com/artillexstudios/axsmithing/gui/impl/SmithingTable_V1_20.java
+++ b/src/main/java/com/artillexstudios/axsmithing/gui/impl/SmithingTable_V1_20.java
@@ -133,11 +133,11 @@ public void handleClick(InventoryClickEvent event) {
     public void handleClose(InventoryCloseEvent event) {
         if (!(event.getInventory().getHolder() instanceof SmithingTable_V1_20)) return;
 
-        if (event.getInventory().getItem(templateSlot) != null)
+        if (event.getInventory().getItem(templateSlot) != null && event.getInventory().getItem(templateSlot).getType() != Material.AIR)
             event.getPlayer().getInventory().addItem(event.getInventory().getItem(templateSlot));
-        if (event.getInventory().getItem(itemSlot) != null)
+        if (event.getInventory().getItem(itemSlot) != null && event.getInventory().getItem(itemSlot).getType() != Material.AIR)
             event.getPlayer().getInventory().addItem(event.getInventory().getItem(itemSlot));
-        if (event.getInventory().getItem(upgradeSlot) != null)
+        if (event.getInventory().getItem(upgradeSlot) != null && event.getInventory().getItem(upgradeSlot).getType() != Material.AIR)
             event.getPlayer().getInventory().addItem(event.getInventory().getItem(upgradeSlot));
     }
 
@@ -145,6 +145,12 @@ public void handleClose(InventoryCloseEvent event) {
     public void handleDrag(InventoryDragEvent event) {
         if (!(event.getInventory().getHolder() instanceof SmithingTable_V1_20)) return;
 
+        ItemStack outputItem = event.getInventory().getItem(outputSlot);
+        if (event.getRawSlots().contains(outputSlot) && (outputItem == null || outputItem.getType().isAir()) && !event.getOldCursor().getType().isAir()) {
+            event.setCancelled(true);
+            return;
+        }
+
         if (event.getInventory().getItem(outputSlot) != null) {
             event.getInventory().getItem(outputSlot).setAmount(0);
         }
diff --git a/src/main/resources/plugin.yml b/src/main/resources/plugin.yml
index 93d6b32..1a18081 100644
--- a/src/main/resources/plugin.yml
+++ b/src/main/resources/plugin.yml
@@ -1,6 +1,6 @@
 name: "AxSmithing"
 main: "com.artillexstudios.axsmithing.AxSmithingPlugin"
-version: "1.0"
+version: "$version"
 api-version: "1.16"
 depend:
   - ViaVersion