diff --git a/build.gradle b/build.gradle
index 10173502a7..680d4edf3a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,7 +22,7 @@ plugins {
 	id 'java' // for jd gen
 }
 
-def minecraft_version = "21w05a"
+def minecraft_version = "21w05b"
 
 def ENV = System.getenv()
 // Fetch build number from Github Actions