diff --git a/spack.yaml b/spack.yaml
index 212e5e42ae7956cf7f9f378e1e29e744f7b0daa4..a68df93d54a8579e7a3a960bc05af3fc10ae44e2 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -65,7 +65,7 @@ spack:
     - biobb-gromacs
     - apbs
     - py-pdb2pqr
-    #- sda
+    - sda
     # demo for codejam12
     #- funniest1022
   concretizer: