diff --git a/build-constraints.yaml b/build-constraints.yaml
index 447bd06a..f4f74dd8 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3708,7 +3708,7 @@ expected-test-failures:
     - pixelated-avatar-generator # 0.1.3 https://github.com/ExcaliburZero/pixelated-avatar-generator/issues/19
     - xml-picklers # https://github.com/Philonous/xml-picklers/issues/5
     - throwable-exceptions # https://github.com/aiya000/hs-throwable-exceptions/issues/2
-    # shikensu # https://github.com/icidasset/shikensu/issues/5
+    - shikensu # https://github.com/icidasset/shikensu/issues/5
 
     # Compilation failures
     - ListLike # No issue tracker, e-mail sent to maintainer