diff --git a/build-constraints.yaml b/build-constraints.yaml
index 6349c091..36ebc2ee 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2100,7 +2100,7 @@ packages:
         - strict-base-types
         - withdependencies
         - hruby
-        # - language-puppet # servant 0.12
+        - language-puppet
         - tar-conduit
 
     "Mark Karpov <markkarpov92@gmail.com> @mrkkrp":