diff --git a/.gitmodules b/.gitmodules
index c616b64db..f0f674737 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -2,8 +2,8 @@
   path = spack
   #url = https://github.com/spack/spack
   #branch = develop
-  url = https://github.com/jcsda/spack
-  branch = release/1.5.1
+  url = https://github.com/AlexanderRichert-NOAA/spack
+  branch = fms_spackstack151
 [submodule "doc/CMakeModules"]
   path = doc/CMakeModules
   url = https://github.com/noaa-emc/cmakemodules
diff --git a/configs/common/packages.yaml b/configs/common/packages.yaml
index a378dd2d1..9b9a36032 100644
--- a/configs/common/packages.yaml
+++ b/configs/common/packages.yaml
@@ -80,7 +80,7 @@
     fms:
       #version: ['2023.01']
       #variants: precision=32,64 +quad_precision +gfs_phys +openmp +pic constants=GFS build_type=Release
-      version: ['2023.02']
+      version: ['2023.02.01']
       variants: precision=32,64 +quad_precision +gfs_phys +openmp +pic constants=GFS build_type=Release +use_fmsio
     fontconfig:
       variants: +pic
diff --git a/spack b/spack
index f78a6e1e3..afd13e0c3 160000
--- a/spack
+++ b/spack
@@ -1 +1 @@
-Subproject commit f78a6e1e36acc9095932d4d57054fb65c5c46823
+Subproject commit afd13e0c3bde074748373fd6db36343145290f69