diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7e348429..3b145db7 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3648,6 +3648,9 @@ skipped-tests:
     # https://github.com/rudymatela/extrapolate/issues/1
     - extrapolate
 
+    # https://github.com/rudymatela/speculate/issues/1
+    - speculate
+
 # end of skipped-tests
 
 # Tests which we should build and run, but which are expected to fail. We