diff --git a/build-constraints.yaml b/build-constraints.yaml
index ed03a975..70f37fa9 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1641,8 +1641,9 @@ packages:
     "Takahiro Himura <himuratk421@gmail.com> @thimura":
         - lens-regex
         - twitter-conduit
-        - twitter-types
-        - twitter-types-lens
+        # aeson < 0.10 (serious test-suite failures)
+        # - twitter-types
+        # - twitter-types-lens
 
     "Robbin C. <robbinch33@gmail.com>":
         - zim-parser