diff --git a/build-constraints.yaml b/build-constraints.yaml
index b50b9ed0..1d357453 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4415,6 +4415,9 @@ packages:
 
     "Michael B. Gale <m.gale@warwick.ac.uk> @mbg":
         - c14n
+        - moss
+        - wai-rate-limit
+        - wai-rate-limit-redis
         - wai-saml2
 
     "Jun Narumi <narumij@gmail.com> @narumij":
@@ -5685,6 +5688,7 @@ expected-test-failures:
     - users-postgresql-simple # PostgreSQL
     - wai-cors # PhantomJS
     - wai-session-postgresql # PostgreSQL
+    - wai-rate-limit-redis # Redis
     - web3 # requires running server
     - webdriver-angular # webdriver server
     - websockets
@@ -5698,7 +5702,6 @@ expected-test-failures:
     - doctest-discover # 0.1.0.9 https://github.com/karun012/doctest-discover/issues/22
     - doctest
     - reanimate-svg # https://github.com/commercialhaskell/stackage/issues/5688
-    - wai-saml2 # https://github.com/mbg/wai-saml2/issues/4
 
     # Assertion failures, these can be real bugs or just limitations
     # in the test cases.