diff --git a/spack b/spack
index 3fbb2f425..be4b257ae 160000
--- a/spack
+++ b/spack
@@ -1 +1 @@
-Subproject commit 3fbb2f4251a1c0768b4851e989fb2db4f9fdb5a4
+Subproject commit be4b257aee39e5c4f1f9f2af3512184b37151033