diff --git a/build-constraints.yaml b/build-constraints.yaml
index 4b144dee..0e224bfd 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2127,6 +2127,8 @@ skipped-tests:
     # Never finishes
     - blank-canvas
 
+    # https://github.com/nushio3/binary-search/issues/2 (doctest never finishes)
+    - binary-search
 # end of skipped-tests
 
 # Tests which we should build and run, but which are expected to fail. We