diff --git a/build-constraints.yaml b/build-constraints.yaml
index 68671d481..db257b350 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2819,6 +2819,9 @@ expected-haddock-failures:
 
     # uses all server memory
     - gi-gtk
+
+    # https://github.com/conal/MemoTrie/issues/10
+    - MemoTrie
 # end of expected-haddock-failures