diff --git a/README.md b/README.md
index 9942b51..9a38ec8 100644
--- a/README.md
+++ b/README.md
@@ -216,7 +216,7 @@ even though there is no main thread anymore.
 <dependency>
     <groupId>dev.folia</groupId>
     <artifactId>folia-api</artifactId>
-    <version>1.19.4-R0.1-SNAPSHOT</version>
+    <version>1.20.1-R0.1-SNAPSHOT</version>
     <scope>provided</scope>
 </dependency>
  ```
diff --git a/gradle.properties b/gradle.properties
index 026cb4d..c54c4f7 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,7 +2,7 @@ group=dev.folia
 
 version=1.20.1-R0.1-SNAPSHOT
 mcVersion=1.20.1
-paperRef=3f237e869a5a862e310af9cfaf401a4dab6d9c0b
+paperRef=a226f44b452c8c75ca077b492ba4a957629ba489
 
 org.gradle.caching=true
 org.gradle.parallel=true
diff --git a/patches/server/0003-Threaded-Regions.patch b/patches/server/0003-Threaded-Regions.patch
index efe2b02..81bc61b 100644
--- a/patches/server/0003-Threaded-Regions.patch
+++ b/patches/server/0003-Threaded-Regions.patch
@@ -2016,7 +2016,7 @@ index fccb8d7a99bef076838ebefa233f2f00a1364c30..e822f308315a955d00dcbedfc1b54d22
  
      public static ChunkHolder getUnloadingChunkHolder(final ServerLevel level, final int chunkX, final int chunkZ) {
 diff --git a/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java b/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java
-index a495d692841c1a6056ca82519ee9b9c66f1ff5cd..5788fc92976c7704bb48dde91b5c9d403abc5cf0 100644
+index 924539d4ac50c70178ba220424ffacd6ff277c8b..7b664f32868028758d0c6ee1eaa82efcd83661d2 100644
 --- a/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java
 +++ b/src/main/java/io/papermc/paper/chunk/system/RegionizedPlayerChunkLoader.java
 @@ -155,7 +155,7 @@ public class RegionizedPlayerChunkLoader {