diff --git a/build-constraints.yaml b/build-constraints.yaml
index 1de26cd0..a729a8a3 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -14,6 +14,7 @@ packages:
         
     "Andreas Abel <andreas.abel@gu.se> @andreasabel":
         - BNFC
+        - STMonadTrans
 
     "Diogo Biazus <diogo@biazus.ca>":
         - hasql-notifications