diff --git a/environments/mucoll-release/spack.yaml b/environments/mucoll-release/spack.yaml
index 685dcb8..b0fecb0 100644
--- a/environments/mucoll-release/spack.yaml
+++ b/environments/mucoll-release/spack.yaml
@@ -18,6 +18,8 @@ spack:
 
     geant4:
       require: +opengl+qt~vecgeom cxxstd=20
+    dd4hep:
+      require: +edm4hep+lcio+xercesc+hepmc3
 
     overlay:
       require: '@0.25'
@@ -89,5 +91,7 @@ spack:
   concretizer:
     unify: true
 
+  view: false
+
   specs:
   - mucoll-stack
\ No newline at end of file