diff --git a/sbt b/sbt
index 39b1dac32..218f45141 100755
--- a/sbt
+++ b/sbt
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 set +e
-declare builtin_sbt_version="1.5.5"
+declare builtin_sbt_version="1.6.0-RC1"
 declare -a residual_args
 declare -a java_args
 declare -a scalac_args