diff --git a/versions/1.21-fabric/gradle.properties b/versions/1.21-fabric/gradle.properties
index 1e6fa46..55f7854 100644
--- a/versions/1.21-fabric/gradle.properties
+++ b/versions/1.21-fabric/gradle.properties
@@ -1,2 +1,2 @@
-essential.defaults.loom.minecraft=com.mojang:minecraft:1.21-pre2
-essential.defaults.loom.mappings=net.fabricmc:yarn:1.21-pre2+build.2:v2
+essential.defaults.loom.minecraft=com.mojang:minecraft:1.21-rc1
+essential.defaults.loom.mappings=net.fabricmc:yarn:1.21-rc1+build.1:v2