diff --git a/build-constraints.yaml b/build-constraints.yaml
index 07ee3019..96f38c14 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3867,6 +3867,7 @@ packages:
         - universum
         - with-utf8
         - uncaught-exception
+        - tztime
 
     "Holmusk <tech@holmusk.com> @arbus":
         - elm-street < 0 # 0.2.0.0 internal library
@@ -8308,6 +8309,7 @@ expected-haddock-failures:
     - hw-rankselect
     - doctest-parallel # https://github.com/commercialhaskell/stackage/issues/5014
     - d10 # 1.0.1.0
+    - tztime # https://github.com/commercialhaskell/stackage/issues/5014
 
 # end of expected-haddock-failures