diff --git a/gradle.properties b/gradle.properties
index 1ff806ea4..7cc0dc5db 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -52,7 +52,7 @@ versionStr=
 
 # This defines what MC version Intellij will use for the preprocessor
 # and what version is used automatically by build and run commands
-mcVer=1.12.2
+mcVer=1.21.11
 
 # Defines the maximum amount of memory Minecraft is allowed when run in a development environment
 #minecraftMemoryJavaArg="-Xmx4G"