diff --git a/bluebrain/deployment/environments/applications_hpc.yaml b/bluebrain/deployment/environments/applications_hpc.yaml
index 5986a7db4c5bcc..da703629989a8f 100644
--- a/bluebrain/deployment/environments/applications_hpc.yaml
+++ b/bluebrain/deployment/environments/applications_hpc.yaml
@@ -33,9 +33,6 @@ spack:
     - morpho-kit
     - neuron+tests+coreneuron
     - neuron+tests+coreneuron+sympy
-    - neuron%nvhpc+caliper+coreneuron+gpu+tests+openmp
-    - neuron%nvhpc+caliper+coreneuron+gpu+tests~openmp
-    - neuron%nvhpc+caliper+coreneuron+gpu+tests+openmp+sympy
     - nest@2.20.1
     - neurodamus-mousify+coreneuron+caliper
     - neurodamus-models model=hippocampus +coreneuron+caliper
diff --git a/bluebrain/repo-bluebrain/packages/nmodl/package.py b/bluebrain/repo-bluebrain/packages/nmodl/package.py
index 173160e39ca51e..45c40a6c7d187d 100644
--- a/bluebrain/repo-bluebrain/packages/nmodl/package.py
+++ b/bluebrain/repo-bluebrain/packages/nmodl/package.py
@@ -15,6 +15,8 @@ class Nmodl(CMakePackage):
 
     version("develop", branch="master", submodules=True)
     version("llvm", branch="llvm", submodules=True)
+    # temporary version to unblock HPCTM-1854
+    version("0.7.a4", commit="5c8b6298d524c6c0418360311ec7139b3b92ee26")
     version("0.7.a3", commit="2fb037e1f8d60d522ba16bd968c69a318ce5a827")
     version("0.7.a2", commit="6f6db3b6f25e066db46d8a5fc85a1697363b995c")
     version("0.7.a1", commit="2ce4a2b91dfcfe6356b6a5003c4e99b8711564ee")