diff --git a/build-constraints.yaml b/build-constraints.yaml
index 731f8ed8..e71a5a75 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -6688,6 +6688,7 @@ packages:
       - stache < 2.3.1
       - stripe-scotty < 1.1.0.1
       - stripe-wreq < 1.0.1.12
+      - telegram-bot-simple < 0.3.8
       - yaml < 0.11.7
 
       # https://github.com/commercialhaskell/stackage/issues/6264
@@ -7402,6 +7403,7 @@ expected-test-failures:
     - slack-api # needs api key https://github.com/commercialhaskell/stackage/pull/5345
     - stripe-http-streams # https://github.com/fpco/stackage/issues/2945, needs Stripe account
     - sourcemap # requires npm installed packages
+    - sydtest-wai # epollControl does not exist. Stackage server issue?
     - users-persistent # sqlite
     - users-postgresql-simple # PostgreSQL
     - wai-cors # PhantomJS