diff --git a/build-constraints.yaml b/build-constraints.yaml
index c3a650d0..cc959b0d 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1480,8 +1480,7 @@ packages:
 
     "Sumit Sahrawat <sumit.sahrawat.apm13@iitbhu.ac.in> @sumitsahrawat":
         - plot-gtk-ui
-        # https://github.com/fpco/stackage/issues/867
-        # - calculator
+        - calculator
 
     "Stackage upper bounds":
         # https://github.com/fpco/stackage/issues/537