diff --git a/build-constraints.yaml b/build-constraints.yaml
index 09807231f..ab6b4f14a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4362,6 +4362,7 @@ packages:
         - effectful-core
         - effectful-plugin
         - effectful-th
+        - strict-mutable-base
 
     "Stevan Andjelkovic <stevan.andjelkovic@here.com> @stevana":
         - quickcheck-state-machine