diff --git a/build.gradle b/build.gradle
index 4523ef57a8..2c1da02254 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,7 +22,7 @@ plugins {
 	id 'maven-publish'
 }
 
-def minecraft_version = "19w45a"
+def minecraft_version = "19w45b"
 
 def ENV = System.getenv()
 // Fetch build number from Jenkins