diff --git a/gradle.properties b/gradle.properties
index 998a2b1..2c7583a 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,7 +5,7 @@ fabric.loom.multiProjectOptimisation=true
 maven_group=com.terraformersmc.terraform-api
 version=10.0.0
 
-minecraft_version=1.21-pre1
-yarn_mappings=1.21-pre1+build.3
+minecraft_version=1.21-pre2
+yarn_mappings=1.21-pre2+build.2
 loader_version=0.15.11
-fabric_version=0.99.2+1.21
+fabric_version=0.99.4+1.21