diff --git a/build-constraints.yaml b/build-constraints.yaml
index 680d7eb1..a0f0daad 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5119,6 +5119,7 @@ skipped-tests:
     - system-fileio # ansi-terminal-0.8 via chell
     - system-filepath # ansi-terminal-0.8 via chell
     - buffer-builder # per HTF per cpphs per polyparse (ghc 8.6 failure)
+    - datadog # https://github.com/commercialhaskell/stackage/issues/5297
 
     # Blocked by stackage upper bounds. These can be re-enabled once
     # the relevant stackage upper bound is lifted.