diff --git a/.gitmodules b/.gitmodules
index 0057edb01..a69f3e4f1 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,9 +1,7 @@
 [submodule "spack"]
   path = spack
-  #url = https://github.com/jcsda/spack
-  #branch = spack-stack-dev
-  url = https://github.com/climbfuji/spack
-  branch = bugfix/extzlib_pkgconfig_freetype
+  url = https://github.com/jcsda/spack
+  branch = spack-stack-dev
 [submodule "doc/CMakeModules"]
   path = doc/CMakeModules
   url = https://github.com/noaa-emc/cmakemodules
diff --git a/spack b/spack
index 3d42db40d..57960d2c0 160000
--- a/spack
+++ b/spack
@@ -1 +1 @@
-Subproject commit 3d42db40dfcfb1677d8f84d261cd9ccaccf710f3
+Subproject commit 57960d2c0ed456571ced05c9b12f111df445bc32