diff --git a/build-constraints.yaml b/build-constraints.yaml
index cc48ef9d..aeb26fdd 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3634,7 +3634,7 @@ packages:
         - cryptohash-sha512 < 0 # GHC 8.4 via base-4.11.0.0
         - css-syntax < 0 # GHC 8.4 via base-4.11.0.0
         - dictionaries < 0 # GHC 8.4 via base-4.11.0.0
-        # ekg-wai < 0 # GHC 8.4 via base-4.11.0.0
+        - ekg-wai < 0 # GHC 8.4 via base-4.11.0.0
         - euler-tour-tree < 0 # GHC 8.4 via base-4.11.0.0
         - exhaustive < 0 # GHC 8.4 via base-4.11.0.0
         - extensible-effects < 0 # GHC 8.4 via base-4.11.0.0