diff --git a/environments/numlibs/spack.yaml b/environments/numlibs/spack.yaml
index deac671..7e84e84 100644
--- a/environments/numlibs/spack.yaml
+++ b/environments/numlibs/spack.yaml
@@ -44,12 +44,13 @@ spack:
       - [$num_lib_types]
       - [$^mpis]
       - [$%compilers]
-#    - matrix:
-#      - [trilinos]
-#      - [$rocm_variant]
-#      - [$num_lib_types]
-#      - [$^mpis]
-#      - [$%compilers]
+    - matrix:
+      - [trilinos@16:]
+      - [+kokkos]
+      - [$rocm_variant]
+      - [$num_lib_types]
+      - [$^mpis]
+      - [$%compilers]
     - matrix:
       - [petsc]
       - [$rocm_variant]