diff --git a/build-constraints.yaml b/build-constraints.yaml
index 080a30e6..51c75b46 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1612,6 +1612,9 @@ packages:
 
     "Emin Karayel <me@eminkarayel.de>":
         - sync-mht
+    
+    "Michael Schröder <mc.schroeder@gmail.com> @mcschroeder":
+        - ttrie
 
     "Stackage upper bounds":
         # https://github.com/fpco/stackage/issues/537