diff --git a/Fabric/build.gradle.kts b/Fabric/build.gradle.kts
index 212a078..9b2202e 100644
--- a/Fabric/build.gradle.kts
+++ b/Fabric/build.gradle.kts
@@ -58,12 +58,14 @@ loom {
             configName = "Fabric Client"
             ideConfigGenerated(true)
             runDir("run")
+            vmArgs("-XX:+AllowEnhancedClassRedefinition -XX:+IgnoreUnrecognizedVMOptions")
         }
         named("server") {
             server()
             configName = "Fabric Server"
             ideConfigGenerated(true)
             runDir("run")
+            vmArgs("-XX:+AllowEnhancedClassRedefinition -XX:+IgnoreUnrecognizedVMOptions")
         }
     }
 
diff --git a/Forge/build.gradle.kts b/Forge/build.gradle.kts
index caf22a0..2146ec5 100644
--- a/Forge/build.gradle.kts
+++ b/Forge/build.gradle.kts
@@ -33,6 +33,7 @@ minecraft {
             taskName("Client")
             property("mixin.env.remapRefMap", "true")
             property("mixin.env.refMapRemappingFile", "${projectDir}/build/createSrgToMcp/output.srg")
+            jvmArg("-XX:+AllowEnhancedClassRedefinition -XX:+IgnoreUnrecognizedVMOptions")
             mods {
                 create(modId) {
                     source(sourceSets.main.get())
@@ -47,6 +48,7 @@ minecraft {
             taskName("Server")
             property("mixin.env.remapRefMap", "true")
             property("mixin.env.refMapRemappingFile", "${projectDir}/build/createSrgToMcp/output.srg")
+            jvmArg("-XX:+AllowEnhancedClassRedefinition -XX:+IgnoreUnrecognizedVMOptions")
             mods {
                 create(modId) {
                     source(sourceSets.main.get())