diff --git a/build-constraints.yaml b/build-constraints.yaml
index 62584f57..45cbfae2 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1908,8 +1908,8 @@ packages:
     "Will Coster <willcoster@gmail.com> @fimad":
         - prometheus-client
         - prometheus-metrics-ghc < 0 # Build failure: https://github.com/fimad/prometheus-haskell/issues/39
-        - scalpel < 0 # via scalpel-core
-        - scalpel-core < 0 # compilation error
+        - scalpel
+        - scalpel-core
         - wai-middleware-prometheus < 0 # GHC 8.4 via prometheus-client
 
     "William Casarin <bill@casarin.me> @jb55":