diff --git a/gradle.properties b/gradle.properties
index 05b31f7cf..7b037aeb0 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,7 +2,7 @@ group = org.purpurmc.purpur
 version = 1.20.1-R0.1-SNAPSHOT
 
 mcVersion = 1.20.1
-paperCommit = 581b683931db32618aa676160b731a276a3a6730
+paperCommit = 1b1c23010ac55e610e3a36f4e5b93a8198cff69c
 
 org.gradle.caching = true
 org.gradle.parallel = true
diff --git a/patches/server/0019-Anvil-API.patch b/patches/server/0019-Anvil-API.patch
index 03553fdbb..07b1a4ff8 100644
--- a/patches/server/0019-Anvil-API.patch
+++ b/patches/server/0019-Anvil-API.patch
@@ -5,7 +5,7 @@ Subject: [PATCH] Anvil API
 
 
 diff --git a/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java b/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
-index 706b354ac9a1a6a4a1e61b2a109180d1dd22bbbd..9ca261c9f21279558961649cb4849ac379d67573 100644
+index 7bba845462813615224f48322c51c7b480adcaa7..38d47fbcd49cc291040ea00470abeb982fe2714c 100644
 --- a/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
 +++ b/src/main/java/net/minecraft/world/inventory/AbstractContainerMenu.java
 @@ -76,6 +76,7 @@ public abstract class AbstractContainerMenu {
@@ -119,10 +119,10 @@ index e0c3a4ba27e21c3692e601acd0af60873bcbb84c..b500a04b8135604f0159a741b3d228c9
      }
  
 diff --git a/src/main/java/net/minecraft/world/inventory/ItemCombinerMenu.java b/src/main/java/net/minecraft/world/inventory/ItemCombinerMenu.java
-index ff770b9ce68a62418de0c7ed389650626fa1dcb2..102739c0089ff3f6b3432f954304d43a3dfebc35 100644
+index c2cf5a8e788637c6264cf43d712a5be223ff1cc5..a578882b64c581ef4f47fa483a9f2988cfa4c8cf 100644
 --- a/src/main/java/net/minecraft/world/inventory/ItemCombinerMenu.java
 +++ b/src/main/java/net/minecraft/world/inventory/ItemCombinerMenu.java
-@@ -177,7 +177,9 @@ public abstract class ItemCombinerMenu extends AbstractContainerMenu {
+@@ -178,7 +178,9 @@ public abstract class ItemCombinerMenu extends AbstractContainerMenu {
                  return ItemStack.EMPTY;
              }