diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9a41d7fb..16663d9f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2995,8 +2995,6 @@ expected-test-failures:
 
     - cubicbezier # https://github.com/kuribas/cubicbezier/issues/3
 
-    - diagrams-lib # https://github.com/diagrams/diagrams-lib/issues/286
-
 # end of expected-test-failures
 
 # Benchmarks which are known not to build. Note that, currently we do not run