diff --git a/build-constraints.yaml b/build-constraints.yaml
index e8467383..dd7234e0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3324,7 +3324,7 @@ packages:
     "Build failure with GHC 8.4":
         - Chart < 0 # build failure with GHC 8.4 https://github.com/timbod7/haskell-chart/issues/181
         - TypeCompose < 0 # build failure with GHC 8.4 https://github.com/conal/TypeCompose/issues/6
-        - enummapset < 0 # build failure with GHC 8.4 https://github.com/michalt/enummapset/issues/11
+        # enummapset < 0 # build failure with GHC 8.4 https://github.com/michalt/enummapset/issues/11
         - fb < 0 # build failure with GHC 8.4 https://github.com/psibi/fb/issues/3
         - heap < 0 # build failure with GHC 8.4 https://github.com/pruvisto/heap/issues/5
         - json-builder < 0 # build failure with GHC 8.4 https://github.com/lpsmith/json-builder/issues/2