diff --git a/build-constraints.yaml b/build-constraints.yaml
index fbc9fb6d..25b276cd 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3866,11 +3866,11 @@ packages:
         - map-syntax < 0 # GHC 8.4 via base-4.11.0.0
         - heist < 0 # GHC 8.4 via map-syntax
         - snap < 0 # GHC 8.4 via base-4.11.0.0
-        - conferer < 0.4.0.0 # https://github.com/commercialhaskell/stackage/issues/5374
-        # - conferer-snap # Because snap
-        - conferer-warp < 0.4.0.0 # https://github.com/commercialhaskell/stackage/issues/5374
-        - conferer-hspec < 0.4.0.0 # https://github.com/commercialhaskell/stackage/issues/5374
-        - conferer-provider-json
+        - conferer
+        #- conferer-snap # Because snap
+        - conferer-warp
+        - conferer-hspec
+        - conferer-source-json
 
     "Tim Humphries <tim+stackage@utf8.me> @thumphries":
         - transformers-either < 0 # via exceptions-0.10.0