diff --git a/gradle.properties b/gradle.properties
index 2d75ca7..75819f5 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,8 +1,8 @@
 group = space.bxteam.divinemc
 
-mcVersion = 1.21
-version = 1.21-R0.1-SNAPSHOT
-purpurRef = 7950960b21e5e60f3f164cae01a35d55043ce6c9
+mcVersion = 1.21.1
+version = 1.21.1-R0.1-SNAPSHOT
+purpurRef = abf2f2109bd550623a8b3e9d398995aa0185e70c
 
 org.gradle.caching = true
 org.gradle.parallel = true
diff --git a/patches/server/0047-Petal-Reduce-work-done-by-game-event-system.patch b/patches/server/0047-Petal-Reduce-work-done-by-game-event-system.patch
index fddde9c..6d5ccec 100644
--- a/patches/server/0047-Petal-Reduce-work-done-by-game-event-system.patch
+++ b/patches/server/0047-Petal-Reduce-work-done-by-game-event-system.patch
@@ -34,7 +34,7 @@ index a74732902c0494c67e6acf2fc04581ff9c46b832..42752cf9aa9668f4f813adc177b7ef97
              LivingEntity entityliving1 = deadEntity.getLastHurtByMob();
  
 diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
-index 3ec4ba40f6ff44365eaa4b33ac447c191670f259..9da1dbda23d01d6e63d7ed4e18664e9f46a7c8cb 100644
+index 4666b51278dbe65b8e4911bcf1dbb867110c146f..260091921b7df2773b86ccf46a2e32cb2ca5c85d 100644
 --- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
 +++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
 @@ -82,7 +82,18 @@ public class LevelChunk extends ChunkAccess implements ca.spottedleaf.moonrise.p
@@ -93,7 +93,7 @@ index 3ec4ba40f6ff44365eaa4b33ac447c191670f259..9da1dbda23d01d6e63d7ed4e18664e9f
          } else {
              return super.getListenerRegistry(ySectionCoord);
          }
-@@ -622,7 +647,7 @@ public class LevelChunk extends ChunkAccess implements ca.spottedleaf.moonrise.p
+@@ -627,7 +652,7 @@ public class LevelChunk extends ChunkAccess implements ca.spottedleaf.moonrise.p
      }
  
      private void removeGameEventListenerRegistry(int ySectionCoord) {