diff --git a/build-constraints.yaml b/build-constraints.yaml
index ef8874d0..f95324d2 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5738,6 +5738,7 @@ packages:
         - testing-feat
         - testing-type-modifiers
         - text-binary
+        - text-iso8601
         - text-latin1
         - text-postgresql
         - text-printer
@@ -9411,6 +9412,7 @@ skipped-benchmarks:
     - stm-hamt # tried stm-hamt-1.2.0.13, but its *benchmarks* requires the disabled package: mwc-random-monad
     - superbuffer # tried superbuffer-0.3.1.2, but its *benchmarks* requires criterion < 1.3 and the snapshot contains criterion-1.6.3.0
     - sv # tried sv-1.4.0.1, but its *benchmarks* requires criterion >=1.3 && < 1.6 and the snapshot contains criterion-1.6.3.0
+    - text-iso8601 # tried text-iso8601-0.1, but its *benchmarks* requires attoparsec-iso8601 >=1.1.0.1 && < 1.2 and the snapshot contains attoparsec-iso8601-1.1.0.0
     - ttrie # tried ttrie-0.1.2.2, but its *benchmarks* requires the disabled package: criterion-plus
     - ttrie # tried ttrie-0.1.2.2, but its *benchmarks* requires the disabled package: stm-stats
     - turtle # tried turtle-1.6.1, but its *benchmarks* requires text < 1.3 and the snapshot contains text-2.0.2