diff --git a/gradle.properties b/gradle.properties
index d7b57d2f1..5ffada936 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -14,7 +14,7 @@ forgeAtsEnabled=true
 # Fabric
 fabricVersion=0.48.0+1.18.2
 fabricLoaderVersion=0.13.3
-reiVersion=8.0.442
+reiVersion=9.1.500
 # Mod options
 modName=CraftTweaker
 modAuthor=Jared