diff --git a/build-constraints.yaml b/build-constraints.yaml
index ab257aba..7368f5c1 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1607,9 +1607,6 @@ packages:
         - luminance-samples < 0.6
         - lens < 4.13
 
-        # https://github.com/fpco/stackage/issues/836
-        - singletons < 1.2
-
         # https://github.com/fpco/stackage/issues/845
         - aeson < 0.10
         - bloodhound < 0.9