diff --git a/build-constraints.yaml b/build-constraints.yaml
index 0350a39a..5899d5bc 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5227,6 +5227,7 @@ packages:
         - PSQueue
         - matchable # dep of trie-simple
         - wherefrom-compat
+        - th-deepstrict
 
     "Fabricio Olivetti de Franca <fabricio.olivetti@gmail.com> @folivetti":
         - hegg # dep of pandoc-symreg