diff --git a/build-constraints.yaml b/build-constraints.yaml
index e8837573..e13b95b9 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2239,6 +2239,9 @@ packages:
     "Henri Verroken <henriverroken@gmail.com> @hverr":
         - cache
 
+    "Cliff Harvey <cs.hbar+hs@gmail.com>":
+        - ansigraph
+
     # 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