diff --git a/build.mill b/build.mill
index 9bba26c1a13..d2a6b98dcdd 100644
--- a/build.mill
+++ b/build.mill
@@ -1,4 +1,4 @@
-//| mill-version: 1.0.0-RC2-49-2ee59e
+//| mill-version: 1.0.0-RC2-55-6bd3a9
 //| mill-jvm-opts: ["-XX:NonProfiledCodeHeapSize=250m", "-XX:ReservedCodeCacheSize=500m"]
 //| mill-opts: ["--jobs=0.5C"]