diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 19f3e18ea..1fb3d0b8f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -160,40 +160,56 @@ build:nmodl:
 # Build NEURON
 build:neuron:mod2c:intel:shared:debug:
   extends: [.build_neuron, .spack_intel]
+  variables:
+    SPACK_PACKAGE_SPEC: +caliper~gpu~legacy-unit~nmodl~openmp+shared+tests~unified build_type=Debug
 #  needs: ["build:coreneuron:mod2c:intel:shared:debug"]
 
 build:neuron:nmodl:intel:debug:legacy:
   extends: [.build_neuron, .spack_intel]
   needs: ["build:nmodl"]
+  variables:
+    SPACK_PACKAGE_SPEC: +caliper~gpu~legacy-unit+nmodl~openmp~shared~sympy+tests~unified build_type=Debug
 #  needs: ["build:coreneuron:nmodl:intel:debug:legacy"]
 
 build:neuron:nmodl:intel:shared:debug:
   extends: [.build_neuron, .spack_intel]
   needs: ["build:nmodl"]
+  variables:
+    SPACK_PACKAGE_SPEC: ~caliper~gpu~legacy-unit+nmodl~openmp+shared+sympy+tests~unified build_type=Debug
 #  needs: ["build:coreneuron:nmodl:intel:shared:debug"]
 
 build:neuron:mod2c:nvhpc:acc:shared:
   extends: [.build_neuron, .spack_nvhpc]
+  variables:
+    SPACK_PACKAGE_SPEC: +caliper+gpu~legacy-unit~nmodl~openmp+shared+tests~unified build_type=RelWithDebInfo
 #  needs: ["build:coreneuron:mod2c:nvhpc:acc:shared"]
 
 build:neuron:nmodl:nvhpc:acc:debug:legacy:
   extends: [.build_neuron, .spack_nvhpc]
   needs: ["build:nmodl"]
+  variables:
+    SPACK_PACKAGE_SPEC: +caliper+gpu~legacy-unit+nmodl~openmp~shared~sympy+tests~unified build_type=Debug
 #  needs: ["build:coreneuron:nmodl:nvhpc:acc:debug:legacy"]
 
 build:neuron:nmodl:nvhpc:acc:shared:
   extends: [.build_neuron, .spack_nvhpc]
   needs: ["build:nmodl"]
+  variables:
+    SPACK_PACKAGE_SPEC: +caliper+gpu~legacy-unit+nmodl~openmp+shared+sympy+tests~unified build_type=RelWithDebInfo
 #  needs: ["build:coreneuron:nmodl:nvhpc:acc:shared"]
 
 build:neuron:nmodl:nvhpc:omp:legacy:
   extends: [.build_neuron, .spack_nvhpc]
   needs: ["build:nmodl"]
+  variables:
+    SPACK_PACKAGE_SPEC: +caliper+gpu~legacy-unit+nmodl+openmp~shared~sympy+tests~unified build_type=RelWithDebInfo
 #  needs: ["build:coreneuron:nmodl:nvhpc:omp:legacy"]
 
 build:neuron:nmodl:nvhpc:omp:debug:
   extends: [.build_neuron, .spack_nvhpc]
   needs: ["build:nmodl"]
+  variables:
+    SPACK_PACKAGE_SPEC: +caliper+gpu~legacy-unit+nmodl+openmp~shared+sympy+tests~unified build_type=Debug
 #  needs: ["build:coreneuron:nmodl:nvhpc:omp:debug"]
 
 # Test CoreNEURON