diff --git a/configs/common/modules_lmod.yaml b/configs/common/modules_lmod.yaml
index d8b853121..7d9957bfc 100644
--- a/configs/common/modules_lmod.yaml
+++ b/configs/common/modules_lmod.yaml
@@ -71,7 +71,6 @@ modules:
       - openssl
       - perl
       - pkgconf
-      - qhull
       - qt
       - randrproto
       - readline
diff --git a/configs/common/modules_tcl.yaml b/configs/common/modules_tcl.yaml
index 9a8affb11..afe12a2be 100644
--- a/configs/common/modules_tcl.yaml
+++ b/configs/common/modules_tcl.yaml
@@ -73,7 +73,6 @@ modules:
       - openssl
       - perl
       - pkgconf
-      - qhull
       - qt
       - randrproto
       - readline
diff --git a/spack b/spack
index 67633edb8..4c6dcd2a0 160000
--- a/spack
+++ b/spack
@@ -1 +1 @@
-Subproject commit 67633edb8b36aa88ef488ba175ada8978192d562
+Subproject commit 4c6dcd2a01927d06ccc1005d8403811d0eccdc30