diff --git a/build-constraints.yaml b/build-constraints.yaml
index 030a1c3c..a2c44f7a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -265,8 +265,7 @@ packages:
         - RefSerialize
         - TCache
         - Workflow
-        # https://github.com/agocorona/MFlow/issues/60 GHC 7.10
-        # - MFlow
+        - MFlow
 
     "Edward Kmett <ekmett@gmail.com>":
         - ad