diff --git a/build-constraints.yaml b/build-constraints.yaml
index 62b6ca5a..ed06f8f4 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2141,6 +2141,7 @@ packages:
         - servant-checked-exceptions-core
         # - servant-rawm # https://github.com/cdepillabout/servant-rawm/issues/4
         - servant-static-th
+        - termonad
         - world-peace
         - xml-html-qq
         - xml-indexed-cursor