diff --git a/gradle.properties b/gradle.properties
index 6d318e4..8553cdc 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,8 +4,8 @@ org.gradle.jvmargs=-Xmx3G
 org.gradle.daemon=false
 org.gradle.debug=false
 
-neogradle.subsystems.parchment.minecraftVersion=1.20.6
-neogradle.subsystems.parchment.mappingsVersion=2024.06.16
+neogradle.subsystems.parchment.minecraftVersion=1.21
+neogradle.subsystems.parchment.mappingsVersion=2024.07.28
 
 # Mod
 mod_id=cumulus_menus
@@ -19,13 +19,13 @@ mod_credits=The Aether Team; kingbdogz, for the original Main Menu API that this
 mod_authors=bconlon
 mod_description=A library for custom menu registration.
 
-minecraft_version=1.21
-minecraft_version_range=[1.21,1.21.1)
+minecraft_version=1.21.1
+minecraft_version_range=[1.21.1,1.21.2)
 
 neogradle_version=7.0.145
 
-neo_version=21.0.29-beta
-neo_version_range=[21.0.29-beta,)
+neo_version=21.1.47
+neo_version_range=[21.1.47,)
 
 loader_version_range=[4,)