diff --git a/build-constraints.yaml b/build-constraints.yaml
index a08456b7..883b7dd0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -522,7 +522,7 @@ packages:
         - say
         - unliftio-core
         - unliftio
-        - compact < 0 # ghc-compact
+        - compact
 
         - fsnotify
         - hinotify
@@ -4023,6 +4023,7 @@ packages:
         - fingertree
         - fmlist
         - generic-arbitrary
+        - ghc-compact
         - ghc-paths
         - ghc-prof
         - gi-gdk
@@ -4332,7 +4333,6 @@ packages:
         - prim-array < 0 # BuildFailureException Process exited with ExitFailure 1: ./Setup build
         - xxhash < 0 # BuildFailureException Process exited with ExitFailure 1: ./Setup build
         - Unique < 0 # GHC 8.4 via base-4.11.0.0
-        - ghc-compact < 0 # GHC 8.4 via base-4.11.1.0
         - hastache < 0 # GHC 8.4 via base-4.11.0.0
         - attoparsec-time < 0 # GHC 8.4 via doctest-0.15.0
         - syb-with-class < 0 # GHC 8.4 via template-haskell-2.13.0.0