diff --git a/spack.yaml b/spack.yaml
index e4231356d231b69d3ed06a7075f7c6f91e78ae65..eb047caca232ccfe1d76269c6b9348ba18808bda 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -57,7 +57,7 @@ spack:
     #- biobb-md
     #- apbs
     #- py-pdb2pqr
-    #- sda
+    - sda
     # demo for codejam12
     #- funniest1022
   concretization: together