diff --git a/env/merlin/sysconfigs/packages.yaml b/env/merlin/sysconfigs/packages.yaml
index 0f83fbf..0000f7a 100644
--- a/env/merlin/sysconfigs/packages.yaml
+++ b/env/merlin/sysconfigs/packages.yaml
@@ -123,7 +123,6 @@ packages:
     - spec: groff@1.22.2
       prefix: /usr
   hdf5:
-    buildable: false
     externals:
     - spec: hdf5@1.8.21%gcc@8.2.0 ~mpi +hl +fortran +shared
       prefix: /opt/psi/Compiler/hdf5_serial/1.8.21/gcc/8.2.0