diff --git a/build-constraints.yaml b/build-constraints.yaml
index 24046ddf..d1fc30d0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3107,6 +3107,9 @@ expected-test-failures:
 
     # https://github.com/tweag/HaskellR/issues/255
     - inline-r
+
+    # https://github.com/sol/doctest/issues/137
+    - doctest
 # end of expected-test-failures
 
 # Benchmarks which are known not to build. Note that, currently we do not run