diff --git a/env/merlin/spack.yaml b/env/merlin/spack.yaml
new file mode 100644
index 0000000..c73802d
--- /dev/null
+++ b/env/merlin/spack.yaml
@@ -0,0 +1,20 @@
+# This is a Spack Environment file.
+#
+# It describes a set of packages to be installed, along with
+# configuration settings.
+spack:
+  include:
+  - sysconfigs/config.yaml
+  - sysconfigs/compilers.yaml
+  - sysconfigs/packages.yaml
+  - sysconfigs/modules.yaml
+  view: true
+  concretizer:
+    unify: false
+  specs:
+  - zlib@1.2.12
+  modules:
+    default:
+      lmod:
+        core_compilers:
+        - gcc@4.8.5