diff --git a/build-constraints.yaml b/build-constraints.yaml
index e89d784b..927406c3 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4029,6 +4029,7 @@ packages:
         - mx-state-codes
         - sitemap-gen
         - tasty-wai
+        - stack-templatizer
 
     "David Baynard <haskell@baynard.dev> @dbaynard":
         - time-qq < 0 # see christian-marie/time-qq#3