diff --git a/stack.yaml b/stack.yaml
index 951a3e73..03dfba42 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -29,3 +29,4 @@ extra-deps:
 - typed-process-0.1.0.0
 - say-0.1.0.0
 - safe-exceptions-0.1.4.0
+- blaze-markup-0.7.1.0