diff --git a/build-constraints.yaml b/build-constraints.yaml
index 33160e8d..2279a520 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1344,7 +1344,7 @@ packages:
         - singleton-bool
         - spdx
         - splitmix
-        # - tdigest
+        - tdigest
         # - tdigest-Chart # bounds: optparse-applicative
         - these
         - time-parsers
@@ -3505,11 +3505,8 @@ packages:
         # https://github.com/fpco/stackage/issues/2860
         - language-c < 0.7
 
-        # https://github.com/fpco/stackage/issues/2967
-        - swagger2 < 2.2
-
-        # https://github.com/fpco/stackage/issues/2971
-        - either < 4.5
+        # https://github.com/fpco/stackage/issues/3044
+        - either < 4.5 # Latest ATOW is either-5
 
         # https://github.com/fpco/stackage/issues/2976
         - http-types < 0.10