diff --git a/build-constraints.yaml b/build-constraints.yaml
index 1b6699f6..2f013c65 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2641,6 +2641,7 @@ packages:
         - eventful-test-helpers
         - oanda-rest-api
         - stratosphere
+        - sum-type-boilerplate
 
     "Alexey Rodiontsev <alex.rodiontsev@gmail.com> @klappvisor":
         []