diff --git a/build-constraints.yaml b/build-constraints.yaml
index 12b3a331..d407752c 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3197,7 +3197,7 @@ packages:
 
     "Stackage upper bounds":
         # https://github.com/fpco/stackage/issues/2127
-        - leapseconds-announced < 2017.0.0.1
+        - leapseconds-announced < 2017.0.0.1 # Wait for GHC 8.2.1
 
         # https://github.com/fpco/stackage/issues/2329
         - network-transport < 0.5