diff --git a/gradle.properties b/gradle.properties
index 8bf4a1d..6f539bc 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,6 +3,6 @@ org.gradle.jvmargs=-Xmx1G
 
 #properties
 minecraft_version = 1.20.4
-mod_version = 1.8
+mod_version = 1.9
 maven_group = ct
 archives_base_name = ContainerTweaks-rusherhack
diff --git a/src/main/resources/rusherhack-plugin.json b/src/main/resources/rusherhack-plugin.json
index d71d8e1..37ce62d 100644
--- a/src/main/resources/rusherhack-plugin.json
+++ b/src/main/resources/rusherhack-plugin.json
@@ -11,6 +11,7 @@
     "1.20.2",
     "1.20.4",
     "1.20.6",
-    "1.21"
+    "1.21",
+    "1.21.1"
   ]
 }