diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9a623fb7..23d996ed 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5483,12 +5483,12 @@ expected-test-failures:
 
     # Requires running servers, accounts, or a specific environment.
     # These shouldn't be re-enabled unless we know a fix has been released.
-    - alex
     - GLFW-b # X
     - HTF # Requires shell script and are incompatible with sandboxed package databases
     - HaRe # # Needs ~/.ghc-mod/cabal-helper https://github.com/fpco/stackage/pull/906
     - IPv6DB
     - accelerate-bignum # CUDA GPU
+    - alex
     - amqp
     - aws # AWS Credentials
     - beam-postgres # requires Postgress instance
@@ -5505,6 +5505,9 @@ expected-test-failures:
     - dbcleaner # Requires running PostgreSQL server
     - dbmigrations # PostgreSQL
     - drifter-postgresql # PostgreSQL
+    - elynx-markov  # https://github.com/commercialhaskell/stackage/pull/5556
+    - elynx-seq  # https://github.com/commercialhaskell/stackage/pull/5556
+    - elynx-tree  # https://github.com/commercialhaskell/stackage/pull/5556
     - esqueleto # mysql and postgresql
     - etcd # etcd https://github.com/fpco/stackage/issues/811
     - eventful-dynamodb