diff --git a/build-constraints.yaml b/build-constraints.yaml
index 27f8431a..d5cb0b79 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -308,6 +308,9 @@ packages:
     "Tom McLaughlin <tom@codedown.io> @thomasjm":
         - aeson-typescript < 0 # th-abstraction-0.3
         - fsnotify
+        - sandwich
+        - sandwich-slack
+        - sandwich-webdriver
         - slack-progressbar
 
     "Paulo Tanaka <paulot@fb.com> @paulot":