diff --git a/build-constraints.yaml b/build-constraints.yaml
index 3f6e60f7..cb2fe3fa 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3632,6 +3632,9 @@ packages:
     "Ryota Kameoka <kameoka.ryota@gmail.com> @ryota-ka":
         - duration
 
+    "Takenobu Tani <takenobu.hs@gmail.com> @takenobu-hs":
+        - ghci-hexcalc
+
     # If you stop maintaining a package you can move it here.
     # It will then be disabled if it starts causing problems.
     # See https://github.com/fpco/stackage/issues/1056