diff --git a/build.gradle b/build.gradle
index ce5c0a1687..8eaef377e3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -196,6 +196,7 @@ task yarn(dependsOn: setupYarn) {
 			fork: true,
 			spawn: true
 		) {
+			jvmarg(value: "-Xmx2048m")
 			arg(value: mergedFile.getAbsolutePath())
 			arg(value: mappingsDir.getAbsolutePath())
 		}