diff --git a/build-constraints.yaml b/build-constraints.yaml
index 55d9781b..70e2ff74 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4356,7 +4356,7 @@ packages:
         - safe-coloured-text-layout-gen
         # - safe-coloured-text-parsing # missing on hackage and needed by safe-coloured-text-gen-0.0.0.4 testsuite
         - safe-coloured-text-terminfo
-        - sydtest < 0.27.2
+        - sydtest
         - sydtest-aeson
         - sydtest-amqp
         - sydtest-autodocodec
@@ -4365,6 +4365,7 @@ packages:
         - sydtest-hedis < 0 # https://github.com/NorfairKing/sydtest/issues/132
         - sydtest-hspec
         - sydtest-mongo
+        - sydtest-mutation-runtime
         - sydtest-persistent
         - sydtest-persistent-postgresql
         - sydtest-persistent-sqlite