diff --git a/conda/compass_env/spec-file.template b/conda/compass_env/spec-file.template
index 2cc1536b9a..851a655b33 100644
--- a/conda/compass_env/spec-file.template
+++ b/conda/compass_env/spec-file.template
@@ -22,7 +22,7 @@ matplotlib-base >=3.9.1
 metis
 moab >=5.5.1
 moab=*={{ mpi_prefix }}_tempest_*
-mpas_tools=0.36.0
+mpas_tools=1.0.0
 nco
 netcdf4=*=nompi_*
 numpy >=2.0,<3.0